7+4a=3(2a-1)

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Solution for 7+4a=3(2a-1) equation: 



7+4a=3(2a-1)

We move all terms to the left:

7+4a-(3(2a-1))=0



We calculate terms in parentheses: -(3(2a-1)), so:

3(2a-1)

We multiply parentheses

6a-3

Back to the equation:

-(6a-3)



We get rid of parentheses

4a-6a+3+7=0

We add all the numbers together, and all the variables

-2a+10=0

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

-2a=-10

a=-10/-2

a=+5

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