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When you add a positive number and a negative number, it is the same as subtracting the negative number from the positive number. For example:
4 + (-5) is the same as 4 - 5 (which is -1).
One more example:
(-10) + 15 is the same as 15 + (-10) (because it doesn't matter what order you add numbers), which is the same as 15 - 10. (which is 5).
A bit more:
That depends on the value of the positive (plus) and the negative (-) numbers. For example, if you add a positive 5 with a negative 3 (-3), the answer will be a positive 2. But if you reverse it and add a negative 5 (-5) with a positive 3 (+3), the answer will be a -2.
What else can I help you with?
What is the difference between plus 3 and 3?
3 is a number and plus 3 is adding three to a number
What is an even plus an even plus an odd?
You'll get an odd number when adding two evens (which will be even) and an odd number.
What mass number is calculated by adding the numbers?
the mass number of an atom is the number of protons in an atom, plus the number of neutrons.
What is 17 plus 17 plus 17?
The sum of 17 plus 17 plus 17 is 51. This can be calculated by adding each number together: 17 + 17 = 34, and then adding the third 17 to get the final result of 51.
Does a negative number plus a negative number always a positive?
No. Adding two negative numbers will give a number which is more negative.
How can you find the sum of a positive integer and a negative integer without using a number line?
Adding a negative number is just the same as subtracting a positive number. So 3 plus (-4) is the same as 3 minus 4. The answer to 3 - 4 is the inverse of the answer to 4 - 3 So if 4-3=1 then 3-4=-1 Other useful rules: Taking away a minus number is the same as adding a plus number. Subtracting a plus number, or adding a minus number, is the same as taking away a positive number.
Can you explain why subtracting an integer is adding its opposite?
plus times plus = plus minus times plus = minus plus times minus = minus minus times minus = plus so when you subtract a number it is the same as adding its negative; for example 7 - 4 = 3 7 + (1)(-4) = 3
Is 9 plus 0 79?
Adding zero to any number results in the original number, so 9 + 0 = 9.
What is a perimeter 5 8 plus unknown number equals what?
If a perimeter of 8 is obtained by adding 5 and unknown number, then the unknown number is 3.2.
What is 55 plus -8?
47
What is -31 plus -46?
Adding a negative number has the same effect as subtracting a number. In this instance, -31 + (-46) = -31 - 46 = -77
What is 4100 plus 7 percent?
Adding 7 percent to a number is the same as multiplying the number by 1.07. In this instance, 4100 x 1.07 = 4387. Therefore, adding 7 percent to 4100 gives 4387.
