-7(3+2a)=15-8a

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Solution for -7(3+2a)=15-8a equation: 



-7(3+2a)=15-8a

We move all terms to the left:

-7(3+2a)-(15-8a)=0

We add all the numbers together, and all the variables

-7(2a+3)-(-8a+15)=0

We multiply parentheses

-14a-(-8a+15)-21=0

We get rid of parentheses

-14a+8a-15-21=0

We add all the numbers together, and all the variables

-6a-36=0

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

-6a=36

a=36/-6

a=-6

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