8+7a=-76

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Solution for 8+7a=-76 equation: 



8+7a=-76

We move all terms to the left:

8+7a-(-76)=0

We add all the numbers together, and all the variables

7a+84=0

We move all terms containing a to the left, all other terms to the right

7a=-84

a=-84/7

a=-12

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