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123=13(v-1)+12
We move all terms to the left:
123-(13(v-1)+12)=0
We calculate terms in parentheses: -(13(v-1)+12), so:We get rid of parentheses
13(v-1)+12
We multiply parentheses
13v-13+12
We add all the numbers together, and all the variables
13v-1
Back to the equation:
-(13v-1)
-13v+1+123=0
We add all the numbers together, and all the variables
-13v+124=0
We move all terms containing v to the left, all other terms to the right
-13v=-124
v=-124/-13
v=9+7/13
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