2a-6=9(a+1)+12a+5

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Solution for 2a-6=9(a+1)+12a+5 equation: 



2a-6=9(a+1)+12a+5

We move all terms to the left:

2a-6-(9(a+1)+12a+5)=0



We calculate terms in parentheses: -(9(a+1)+12a+5), so:

9(a+1)+12a+5

We add all the numbers together, and all the variables

12a+9(a+1)+5

We multiply parentheses

12a+9a+9+5

We add all the numbers together, and all the variables

21a+14

Back to the equation:

-(21a+14)



We get rid of parentheses

2a-21a-14-6=0

We add all the numbers together, and all the variables

-19a-20=0

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

-19a=20

a=20/-19

a=-1+1/19

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