7v=8v-9

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Solution for 7v=8v-9 equation: 



7v=8v-9

We move all terms to the left:

7v-(8v-9)=0

We get rid of parentheses

7v-8v+9=0

We add all the numbers together, and all the variables

-1v+9=0

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

-v=-9

v=-9/-1

v=+9

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