-8(a+1)=-4(5a-7)

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Solution for -8(a+1)=-4(5a-7) equation: 



-8(a+1)=-4(5a-7)

We move all terms to the left:

-8(a+1)-(-4(5a-7))=0

We multiply parentheses

-8a-(-4(5a-7))-8=0



We calculate terms in parentheses: -(-4(5a-7)), so:

-4(5a-7)

We multiply parentheses

-20a+28

Back to the equation:

-(-20a+28)



We get rid of parentheses

-8a+20a-28-8=0

We add all the numbers together, and all the variables

12a-36=0

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

12a=36

a=36/12

a=3

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