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30=5v+4(4+3)
We move all terms to the left:
30-(5v+4(4+3))=0
We add all the numbers together, and all the variables
-(5v+47)+30=0
We get rid of parentheses
-5v-47+30=0
We add all the numbers together, and all the variables
-5v-17=0
We move all terms containing v to the left, all other terms to the right
-5v=17
v=17/-5
v=-3+2/5
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