-175=-5(7+4a)

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Solution for -175=-5(7+4a) equation: 



-175=-5(7+4a)

We move all terms to the left:

-175-(-5(7+4a))=0

We add all the numbers together, and all the variables

-(-5(4a+7))-175=0



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

-5(4a+7)

We multiply parentheses

-20a-35

Back to the equation:

-(-20a-35)



We get rid of parentheses

20a+35-175=0

We add all the numbers together, and all the variables

20a-140=0

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

20a=140

a=140/20

a=7

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