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-1-2(12v-20)+4=-12-8v
We move all terms to the left:
-1-2(12v-20)+4-(-12-8v)=0
We add all the numbers together, and all the variables
-2(12v-20)-(-8v-12)-1+4=0
We add all the numbers together, and all the variables
-2(12v-20)-(-8v-12)+3=0
We multiply parentheses
-24v-(-8v-12)+40+3=0
We get rid of parentheses
-24v+8v+12+40+3=0
We add all the numbers together, and all the variables
-16v+55=0
We move all terms containing v to the left, all other terms to the right
-16v=-55
v=-55/-16
v=3+7/16
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