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-38+2v=-4(-1-2v)
We move all terms to the left:
-38+2v-(-4(-1-2v))=0
We add all the numbers together, and all the variables
2v-(-4(-2v-1))-38=0
We calculate terms in parentheses: -(-4(-2v-1)), so:We get rid of parentheses
-4(-2v-1)
We multiply parentheses
8v+4
Back to the equation:
-(8v+4)
2v-8v-4-38=0
We add all the numbers together, and all the variables
-6v-42=0
We move all terms containing v to the left, all other terms to the right
-6v=42
v=42/-6
v=-7
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