-7a+7(9+2a)=11+87

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Solution for -7a+7(9+2a)=11+87 equation: 



-7a+7(9+2a)=11+87

We move all terms to the left:

-7a+7(9+2a)-(11+87)=0

We add all the numbers together, and all the variables

-7a+7(2a+9)-98=0

We multiply parentheses

-7a+14a+63-98=0

We add all the numbers together, and all the variables

7a-35=0

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

7a=35

a=35/7

a=5

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