7v+4-8v=5+v-7

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Solution for 7v+4-8v=5+v-7 equation: 



7v+4-8v=5+v-7

We move all terms to the left:

7v+4-8v-(5+v-7)=0

We add all the numbers together, and all the variables

7v-8v-(v-2)+4=0

We add all the numbers together, and all the variables

-1v-(v-2)+4=0

We get rid of parentheses

-1v-v+2+4=0

We add all the numbers together, and all the variables

-2v+6=0

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

-2v=-6

v=-6/-2

v=+3

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