9+7a=3(a-5)

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Solution for 9+7a=3(a-5) equation: 



9+7a=3(a-5)

We move all terms to the left:

9+7a-(3(a-5))=0



We calculate terms in parentheses: -(3(a-5)), so:

3(a-5)

We multiply parentheses

3a-15

Back to the equation:

-(3a-15)



We get rid of parentheses

7a-3a+15+9=0

We add all the numbers together, and all the variables

4a+24=0

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

4a=-24

a=-24/4

a=-6

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