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-7.9=-3.1+v/3
We move all terms to the left:
-7.9-(-3.1+v/3)=0
We add all the numbers together, and all the variables
-(v/3-3.1)-7.9=0
We get rid of parentheses
-v/3+3.1-7.9=0
We multiply all the terms by the denominator
-v+(3.1)*3-(7.9)*3=0
We add all the numbers together, and all the variables
-1v-14.4=0
We move all terms containing v to the left, all other terms to the right
-v=14.4
v=14.4/-1
v=-14+0.4/1
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