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-21.7=-2.5+v/6
We move all terms to the left:
-21.7-(-2.5+v/6)=0
We add all the numbers together, and all the variables
-(v/6-2.5)-21.7=0
We get rid of parentheses
-v/6+2.5-21.7=0
We multiply all the terms by the denominator
-v+(2.5)*6-(21.7)*6=0
We add all the numbers together, and all the variables
-1v-115.2=0
We move all terms containing v to the left, all other terms to the right
-v=115.2
v=115.2/-1
v=-115+0.2/1
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