a+8a+3-9=3(5a-4)

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Solution for a+8a+3-9=3(5a-4) equation: 



a+8a+3-9=3(5a-4)

We move all terms to the left:

a+8a+3-9-(3(5a-4))=0

We add all the numbers together, and all the variables

9a-(3(5a-4))-6=0



We calculate terms in parentheses: -(3(5a-4)), so:

3(5a-4)

We multiply parentheses

15a-12

Back to the equation:

-(15a-12)



We get rid of parentheses

9a-15a+12-6=0

We add all the numbers together, and all the variables

-6a+6=0

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

-6a=-6

a=-6/-6

a=1

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