Example 1:+5 - +2Step 1:The opposite of +2 is -2.Step 2:Subtraction becomes addition.Solution:+5 - +2 = +5 + -2 = +3
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Integers are whole numbers, both positive and negative. Therefore, adding and subtracting integers would be adding and subtracting whole numbers. Examples: 8+2 -8+2 8-2 -8-2
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I would think that the commonality of adding and subtracting integers is that the answer itself will always be an integer. In other words, the answer is always gonna be a "whole number".
There are two basic rules for subtracting integers. If the integer you're subtracting is positive, then you decrease the value of the integer that it's being subtracted from by that amount. For example, 8 - 3 = 5 and 3 - 8 = -5. If the integer you're subtracting is negative, then you increase the value of the integer that it's being subtracted from by that amount. For example, 8 - (-3) = 11 and 3 - (-8) = 11 as well.
Let x and y be two integers. x - y = x + (-y)