-7a=8(1-a)

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Solution for -7a=8(1-a) equation: 



-7a=8(1-a)

We move all terms to the left:

-7a-(8(1-a))=0

We add all the numbers together, and all the variables

-7a-(8(-1a+1))=0



We calculate terms in parentheses: -(8(-1a+1)), so:

8(-1a+1)

We multiply parentheses

-8a+8

Back to the equation:

-(-8a+8)



We get rid of parentheses

-7a+8a-8=0

We add all the numbers together, and all the variables

a-8=0

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

a=8

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