4=3(2a+1)-11

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Solution for 4=3(2a+1)-11 equation: 



4=3(2a+1)-11

We move all terms to the left:

4-(3(2a+1)-11)=0



We calculate terms in parentheses: -(3(2a+1)-11), so:

3(2a+1)-11

We multiply parentheses

6a+3-11

We add all the numbers together, and all the variables

6a-8

Back to the equation:

-(6a-8)



We get rid of parentheses

-6a+8+4=0

We add all the numbers together, and all the variables

-6a+12=0

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

-6a=-12

a=-12/-6

a=+2

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