Question 660597: 6-(-7)
Answer by ReadingBoosters(3246)   (Show Source):
You can put this solution on YOUR website! Subtracting a negative is like adding a positive
Visualize a number line
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-15 -10 0 10 15
Subtracting is going left, but to go -7 is like doubling back forward 7.
Think of it as the negative negative cancel each other out.
6 - -7 = 6 + 7 = 13
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