9(7+a)-5(6+2a)=0

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Solution for 9(7+a)-5(6+2a)=0 equation: 



9(7+a)-5(6+2a)=0

We add all the numbers together, and all the variables

9(a+7)-5(2a+6)=0

We multiply parentheses

9a-10a+63-30=0

We add all the numbers together, and all the variables

-1a+33=0

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

-a=-33

a=-33/-1

a=+33

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