8a+7=-2

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Solution for 8a+7=-2 equation: 



8a+7=-2

We move all terms to the left:

8a+7-(-2)=0

We add all the numbers together, and all the variables

8a+9=0

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

8a=-9

a=-9/8

a=-1+1/8

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