3(2a-1)+7=8a

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Solution for 3(2a-1)+7=8a equation: 



3(2a-1)+7=8a

We move all terms to the left:

3(2a-1)+7-(8a)=0

We add all the numbers together, and all the variables

-8a+3(2a-1)+7=0

We multiply parentheses

-8a+6a-3+7=0

We add all the numbers together, and all the variables

-2a+4=0

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

-2a=-4

a=-4/-2

a=+2

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