9a+2(a+7)=-8

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Solution for 9a+2(a+7)=-8 equation: 



9a+2(a+7)=-8

We move all terms to the left:

9a+2(a+7)-(-8)=0

We add all the numbers together, and all the variables

9a+2(a+7)+8=0

We multiply parentheses

9a+2a+14+8=0

We add all the numbers together, and all the variables

11a+22=0

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

11a=-22

a=-22/11

a=-2

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