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To subtract a negative number is the equivalent of adding a positive number. Subtracting is the opposite of adding. If adding a negative number is equivalent to subtraction, then subtracting a negative number must be equivalent to addition. A big positive number, such as, let us say, having a large bank account, is the opposite of having a large debt, which would be a negative amount of money. If you owe a thousand dollars, that means you have negative $1000. If you can subtract that debt by paying it off, then you have added $1000 to your net worth. so it makes perfect sense.

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โˆ™ 2012-08-16 18:14:57
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Q: Why is positive minus negative positive plus positive?
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The quotient of a negative integer and a positive integer is?

The quotient of a positive integer by a negative is always negative. Say this to yourself a couple times: "MULTIPLICATION: minus times minus is plus (negative x negative = positive).....minus times plus is minus (negative x positive = negative).....plus times plus is plus (positive x positive = positive) DIVISION: minus divi minus is plus (negative ÷ negative = positive)......minus divi plus is minus (negative ÷ positive = negative).....plus divi plus is plus (positive ÷ positive = positive)"


Why is the product of a positive integer and a negative integer a negative integer?

I honestly don't know :D but heres something to help you "MULTIPLICATION: minus times minus is plus (negative x negative = positive).....minus times plus is minus (negative x positive = negative).....plus times plus is plus (positive x positive = positive) DIVISION: minus divi minus is plus (negative ÷ negative = positive)......minus divi plus is minus (negative ÷ positive = negative).....plus divi plus is plus (positive ÷ positive = positive)"


Why does a positive minus a negative equal a positive?

Because "minus a negative" is tha same as "plus a positive". So, a positive minus a negative is a positive plus a positive which is a positive.


How are multiplying integers and dividing integers same?

following multiplication integer rules and division rules, you should get: "MULTIPLICATION: minus times minus is plus (negative x negative = positive).....minus times plus is minus (negative x positive = negative).....plus times plus is plus (positive x positive = positive) DIVISION: minus divi minus is plus (negative ÷ negative = positive)......minus divi plus is minus (negative ÷ positive = negative).....plus divi plus is plus (positive ÷ positive = positive)" a division problem is a multiplication problem in disguise


What is positive 3 plus negative 5 minus negative 2 minus positive 4?

Positive 3 plus negative 5 minus negative 2 minus positive 4 is equal to -4.


What is a positive integer times a negative integer?

When you multiply a negative number by a positive number then the product is always negative. When you multiply a positive number by a negative number then the product is always negative. ( - 2 ) ( + 3 ) = - 6 ( - 4 ) ( 1 ) = - 4 ( - 1 ) 2 = - 2 ( + 2 ) ( - 2 ) = - 4 ( 3 ) ( - 2 ) = - 6 4 ( - 2 ) = - 8


What is a plus times a minus?

Positive (Plus) times Negative (Minus) always equals a negative (minus).


Minus multiplied by a plus?

Negative times positive equals negative.


What is a positive minus a negative number?

"Minus a negative number" is the same as "plus a positive number" so you have a positive plus a positive number - making a bigger positive number.


Why is minus plus minus equal to a positive number?

A minus plus a minus is not necessarily positive. A minus multiplied by a minus is. The reason being that the minus of a minus is a positive. It's a double negative.


What is plus times a minus?

A positive times a negative is a negative.


How does a positive 100 minus a negative 30 equal a positive 130?

"Minus a negative" is the same thing as "plus."


What is positive 6 minus negative 2?

Minus a negative means you can plus a positive so therefore the answer would be positive 8.


What does a Minus plus a plus equal?

Negative plus a negative is a negative. Ex. -1+-1=-2 Negative times a negative is a positive. -2*-2=4 But a negative [minus] plus a positive [plus] can be minus, zero or plus: For example, -3 + 2 = -1 -3 + 3 = 0 -3 + 4 = +1


Why is there a plus and minus of batteries?

plus is the positive terminal (cathode) minus is the negative terminal (anode)


What is a plus times a plus?

A plus times a plus is still a plus. Below is the way I remembered it: If there is not a minus sign, it is plus (positive). If there is 1 minus sign, it is minus (negative). If there are 2 minus signs, it is plus (positive).


Why do you use subtraction when you add a positive integer and a negative integer?

Because adding a negative is the same as subtracting a positive. In other words, minus a plus is he same as plus a minus. For example 5+ (-3) = 5-3 = +2 5 -(+3) = 5-3 = +2 Remember minus a plus = = minus plus a minus = minus plus a plus = plus minus a minus = plus


Why does a positive number minus a negative number equal a positive number?

Because minus a negative number is equivalent to plus a positive number. So, in effect, you have a positive number plus a positive number and that is going to be positive.


What is negative 4 minus positive 21?

the answer of negative 4 minus positive 21 is positive 25 because you leave the negative 4 as is, change the minus to a plus, and change positive 21 to negative 21. (Leave Change Change)


What is a negitive plus a negitive?

A negative plus a negative is a negative because a negative plus a negative is the same thing as a negative minus a positive number.


What is negative 2 minus negative 11 plus 27?

the answer is positive 36


What is a minus times a plus?

A negative times a positive is neegative


What does a positive minus a negative equal to?

if a positive number minus a negative number, the minus turns to a plus sign. so its positive Ex. 2- -4= 2+4=6


What does 8 minus negative 3 equal?

8 minus negative three or 8--3 equal positive 11. The double negative converts the minus sign into a plus sign and the negative into a positive.


Positive minus a negative?

Positive minus a negative = positive plus a positive two negatives make a positive 3- (-1) = 3 + 1 = 4 5- (-7) = 12