-7(2+5a)+8(a-2)=-57

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Solution for -7(2+5a)+8(a-2)=-57 equation: 



-7(2+5a)+8(a-2)=-57

We move all terms to the left:

-7(2+5a)+8(a-2)-(-57)=0

We add all the numbers together, and all the variables

-7(5a+2)+8(a-2)-(-57)=0

We add all the numbers together, and all the variables

-7(5a+2)+8(a-2)+57=0

We multiply parentheses

-35a+8a-14-16+57=0

We add all the numbers together, and all the variables

-27a+27=0

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

-27a=-27

a=-27/-27

a=1

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