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-3=-30-v
We move all terms to the left:
-3-(-30-v)=0
We add all the numbers together, and all the variables
-(-1v-30)-3=0
We get rid of parentheses
1v+30-3=0
We add all the numbers together, and all the variables
v+27=0
We move all terms containing v to the left, all other terms to the right
v=-27
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