9-3(a+2)=7a

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Solution for 9-3(a+2)=7a equation: 



9-3(a+2)=7a

We move all terms to the left:

9-3(a+2)-(7a)=0

We add all the numbers together, and all the variables

-7a-3(a+2)+9=0

We multiply parentheses

-7a-3a-6+9=0

We add all the numbers together, and all the variables

-10a+3=0

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

-10a=-3

a=-3/-10

a=3/10

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