91=7(5-v)

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Solution for 91=7(5-v) equation: 



91=7(5-v)

We move all terms to the left:

91-(7(5-v))=0

We add all the numbers together, and all the variables

-(7(-1v+5))+91=0



We calculate terms in parentheses: -(7(-1v+5)), so:

7(-1v+5)

We multiply parentheses

-7v+35

Back to the equation:

-(-7v+35)



We get rid of parentheses

7v-35+91=0

We add all the numbers together, and all the variables

7v+56=0

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

7v=-56

v=-56/7

v=-8

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