Answers

2016-01-25T18:10:05+08:00
7 + x = -6

Do the inverse property (which is subtraction) to both sides.

7 + x - 7 = -6 - 7

Therefore,

x = -13

-13 is the answer to your question. 

Check:
7 + (-13) = -6
-6 = -6
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