a-2(a-35)=9a

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Solution for a-2(a-35)=9a equation: 



a-2(a-35)=9a

We move all terms to the left:

a-2(a-35)-(9a)=0

We add all the numbers together, and all the variables

-8a-2(a-35)=0

We multiply parentheses

-8a-2a+70=0

We add all the numbers together, and all the variables

-10a+70=0

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

-10a=-70

a=-70/-10

a=+7

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