-140=5(-5n+7)

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Solution for -140=5(-5n+7) equation: 



-140=5(-5n+7)

We move all terms to the left:

-140-(5(-5n+7))=0



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

5(-5n+7)

We multiply parentheses

-25n+35

Back to the equation:

-(-25n+35)



We get rid of parentheses

25n-35-140=0

We add all the numbers together, and all the variables

25n-175=0

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

25n=175

n=175/25

n=7

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