7v-7=8v-13

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Solution for 7v-7=8v-13 equation: 



7v-7=8v-13

We move all terms to the left:

7v-7-(8v-13)=0

We get rid of parentheses

7v-8v+13-7=0

We add all the numbers together, and all the variables

-1v+6=0

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

-v=-6

v=-6/-1

v=+6

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