-155=7v+4(-8v+5)

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Solution for -155=7v+4(-8v+5) equation: 



-155=7v+4(-8v+5)

We move all terms to the left:

-155-(7v+4(-8v+5))=0



We calculate terms in parentheses: -(7v+4(-8v+5)), so:

7v+4(-8v+5)

We multiply parentheses

7v-32v+20

We add all the numbers together, and all the variables

-25v+20

Back to the equation:

-(-25v+20)



We get rid of parentheses

25v-20-155=0

We add all the numbers together, and all the variables

25v-175=0

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

25v=175

v=175/25

v=7

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