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12=8+v/5.12
We move all terms to the left:
12-(8+v/5.12)=0
We add all the numbers together, and all the variables
-(v/5.12+8)+12=0
We get rid of parentheses
-v/5.12-8+12=0
We multiply all the terms by the denominator
-v-8*5.12+12*5.12=0
We add all the numbers together, and all the variables
-1v+20.48=0
We move all terms containing v to the left, all other terms to the right
-v=-20.48
v=-20.48/-1
v=20+0.48/1
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