-31=51+2v

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Solution for -31=51+2v equation:



-31=51+2v
We move all terms to the left:
-31-(51+2v)=0
We add all the numbers together, and all the variables
-(2v+51)-31=0
We get rid of parentheses
-2v-51-31=0
We add all the numbers together, and all the variables
-2v-82=0
We move all terms containing v to the left, all other terms to the right
-2v=82
v=82/-2
v=-41

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