12=2-7v-3v

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Solution for 12=2-7v-3v equation:



12=2-7v-3v
We move all terms to the left:
12-(2-7v-3v)=0
We add all the numbers together, and all the variables
-(-10v+2)+12=0
We get rid of parentheses
10v-2+12=0
We add all the numbers together, and all the variables
10v+10=0
We move all terms containing v to the left, all other terms to the right
10v=-10
v=-10/10
v=-1

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