-7v=9-10v

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Solution for -7v=9-10v equation: 



-7v=9-10v

We move all terms to the left:

-7v-(9-10v)=0

We add all the numbers together, and all the variables

-7v-(-10v+9)=0

We get rid of parentheses

-7v+10v-9=0

We add all the numbers together, and all the variables

3v-9=0

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

3v=9

v=9/3

v=3

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