9a=4(2a-1)

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Solution for 9a=4(2a-1) equation: 



9a=4(2a-1)

We move all terms to the left:

9a-(4(2a-1))=0



We calculate terms in parentheses: -(4(2a-1)), so:

4(2a-1)

We multiply parentheses

8a-4

Back to the equation:

-(8a-4)



We get rid of parentheses

9a-8a+4=0

We add all the numbers together, and all the variables

a+4=0

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

a=-4

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