77=7v-7

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Solution for 77=7v-7 equation: 



77=7v-7

We move all terms to the left:

77-(7v-7)=0

We get rid of parentheses

-7v+7+77=0

We add all the numbers together, and all the variables

-7v+84=0

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

-7v=-84

v=-84/-7

v=+12

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