5a-7=7(a+1)+15+6

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Solution for 5a-7=7(a+1)+15+6 equation: 



5a-7=7(a+1)+15+6

We move all terms to the left:

5a-7-(7(a+1)+15+6)=0



We calculate terms in parentheses: -(7(a+1)+15+6), so:

7(a+1)+15+6

We add all the numbers together, and all the variables

7(a+1)+21

We multiply parentheses

7a+7+21

We add all the numbers together, and all the variables

7a+28

Back to the equation:

-(7a+28)



We get rid of parentheses

5a-7a-28-7=0

We add all the numbers together, and all the variables

-2a-35=0

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

-2a=35

a=35/-2

a=-17+1/2

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