8(1+4a)+5(-5+a)=57

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Solution for 8(1+4a)+5(-5+a)=57 equation: 



8(1+4a)+5(-5+a)=57

We move all terms to the left:

8(1+4a)+5(-5+a)-(57)=0

We add all the numbers together, and all the variables

8(4a+1)+5(a-5)-57=0

We multiply parentheses

32a+5a+8-25-57=0

We add all the numbers together, and all the variables

37a-74=0

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

37a=74

a=74/37

a=2

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