34=3a-(9-7a)

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Solution for 34=3a-(9-7a) equation: 



34=3a-(9-7a)

We move all terms to the left:

34-(3a-(9-7a))=0

We add all the numbers together, and all the variables

-(3a-(-7a+9))+34=0



We calculate terms in parentheses: -(3a-(-7a+9)), so:

3a-(-7a+9)

We get rid of parentheses

3a+7a-9

We add all the numbers together, and all the variables

10a-9

Back to the equation:

-(10a-9)



We get rid of parentheses

-10a+9+34=0

We add all the numbers together, and all the variables

-10a+43=0

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

-10a=-43

a=-43/-10

a=4+3/10

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