Best Answer

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

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Q: Can you explain why subtracting an integer is adding its opposite?
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Related questions

What is similar to subtracting a positive integer from a negative integer?

adding a negative

When Subtracting a positive integer from a negative integer is similar to what?

adding a negative

What is the difference between subtracting a negative integer and adding a positive integer?

In the end, there is no difference because subtracting a negative integer is the same as adding a positive integer. 1-(-1)=2 1+1=2

How is subtracting a negative integer related to its absolute value and addition?

Subtracting a negative integer is the same as adding its absolute value.

What does opposite mean in maths?

Adding is the opposite of subtracting

Why does subtracting a number give the same result as adding its opposite?

adding its opposite?

Why does the addition of a negative integer to its opposite equal 0?

Adding a negative is the same as subtracting a positive. 9 - 9 = 0 9 + (-9) = 0

Explain how to subtract a positive integer and a negative integer using absolute value?

Subtracting an integer is the same as adding its opposite.Examples:In the following examples, we convert the subtracted integer to its opposite, and add the two integers.7 - 4 = 7 + (-4) = 312 - (-5) = 12 + (5) = 17-8 - 7 = -8 + (-7) = -15-22 - (-40) = -22 + (40) = 18Note that the result of subtracting two integers could be positive or negative.

How is adding integer and subtracting integer related?

They are different because they both heve negative and positive.

Negative integer is subtracted from a negative integer?

Subtracting a negative is like adding a positive.

What is meant by adding the opposite when subtracting expressions?

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Why is it that when subtracting an integer gives the same result as adding the opposite?

Because of the definition of addition and subtraction. When looking at a real number line: when you add you move to the left or up, when you add the opposite of a number you move in the opposite direction.