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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-1a+6a-(4a+7)+3=0

We get rid of parentheses

-1a+6a-4a-7+3=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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