15a-15=3(4a+1)

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Solution for 15a-15=3(4a+1) equation: 



15a-15=3(4a+1)

We move all terms to the left:

15a-15-(3(4a+1))=0



We calculate terms in parentheses: -(3(4a+1)), so:

3(4a+1)

We multiply parentheses

12a+3

Back to the equation:

-(12a+3)



We get rid of parentheses

15a-12a-3-15=0

We add all the numbers together, and all the variables

3a-18=0

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

3a=18

a=18/3

a=6

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