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3+7v=8(5-2v)
We move all terms to the left:
3+7v-(8(5-2v))=0
We add all the numbers together, and all the variables
7v-(8(-2v+5))+3=0
We calculate terms in parentheses: -(8(-2v+5)), so:We get rid of parentheses
8(-2v+5)
We multiply parentheses
-16v+40
Back to the equation:
-(-16v+40)
7v+16v-40+3=0
We add all the numbers together, and all the variables
23v-37=0
We move all terms containing v to the left, all other terms to the right
23v=37
v=37/23
v=1+14/23
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