0
e.g. 'a' - ( -a)
becomes
a -- a
a + a = 2a
Here with a table for manipulating 'double' signs.
-
- = +
-
- = -
-
- = -
-
- = +
NB If no sign is shown in front of a number , then read the number as plus(O).
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What are the rules when adding or subtracting negative numbers?
When subtracting negative numbers change the subtraction sign to a plus and change the second number (which would appear to be positive) to a negative. ex. -14 - 7=?/-14 + -7= -21 When adding negative numbers just add them as they appear. ex. -2 + -5= -7
What is a negative take away a negative it equals positive?
The result of subtracting a negative number minus a negative number can be positive, or negative, depending on which of the numbers is larger. It can even be zero.
What is the result of subtracting 2 numbers?
The result of subtracting 2 numbers is the difference.
What are the rule for dividing negative numbers?
The rules for dividing negative numbers is the same as multiplying them. A negative number multiplied/divided by a negative number is positive and a negative number multiplied/divided by a positive number is negative.
The difference between two negative numbers is negative if?
The difference between two negative numbers is negative if the second number ( the number you are subtracting from the first) is less in value than the first. For example (-3) - ( -2) = -3 + 2 = -1 (-3) - (-4) = -3 + 4 = + 1
What is the rule for subtracting positive numbers?
Never.
What are is the rule for subtracting fractions with negative signs?
the same as adding whole numbers. two negatives = negative. two positives = positive, and a negative and positive depends on the absolute value of the greater number.
How do you substract negative numbers?
Subtracting negative numbers is exactly the same as adding the positive number.
What are the rules for adding and subtracting integers?
when you add two positive integers the answer is always positive when you add two negative integers the answer is positive when you add one negative and on positive integer, the answer is negative subtracting two negative numbers gets a negative answer subtracting two positive numbers- the answer depends subtracting a negative and positive number- the answer depends, the positive number would have to be bigger than the negative to achieve a negative number, and if the positive number is less, than the answer is still negative
What are the rules when adding or subtracting negative numbers?
When subtracting negative numbers change the subtraction sign to a plus and change the second number (which would appear to be positive) to a negative. ex. -14 - 7=?/-14 + -7= -21 When adding negative numbers just add them as they appear. ex. -2 + -5= -7
How do you explain adding and subtracting negative numbers?
Adding a negative number is equivalent to subtracting a positive number. For example, adding -3 is the same as subtracting 3. Subtracting a negative number is equivalent to adding a positive number. For example, subtracting -3 is the same as adding 3. The rule to remember is that when you have a negative sign in front of a number, it actually changes its sign.
When subtracting a negative and a positive your answer would be a positive?
If you are subtracting the negative from the positive, the answer will be positive. If you are subtracting the positive from the negative, the answer will be negative.
Is it always true that two negatives make a positive?
Adding two negative numbers will always be negative. Subtracting two negative numbers may be positive or negative. Dividing or multiplying two negative numbers will always be positive.No
How do you get a negative answer when subtracting two positive numbers?
Have the second number be greater than the first.
What is similar to subtracting two positive integers?
Subtracting two positive fractional numbers, or adding one positive and one negative integer.
What is equivalent to adding a negative number?
Subtracting its additive inverse. (In principle, this is valid for adding positive numbers as well.)
Does the negative rule for exponents using scientific notation apply to adding subtracting dividing and multiplying?
Yes, it does.
