91=-7(7v+8)

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Solution for 91=-7(7v+8) equation: 



91=-7(7v+8)

We move all terms to the left:

91-(-7(7v+8))=0



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

-7(7v+8)

We multiply parentheses

-49v-56

Back to the equation:

-(-49v-56)



We get rid of parentheses

49v+56+91=0

We add all the numbers together, and all the variables

49v+147=0

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

49v=-147

v=-147/49

v=-3

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