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-30=-6+v/4
We move all terms to the left:
-30-(-6+v/4)=0
We add all the numbers together, and all the variables
-(v/4-6)-30=0
We get rid of parentheses
-v/4+6-30=0
We multiply all the terms by the denominator
-v+6*4-30*4=0
We add all the numbers together, and all the variables
-1v-96=0
We move all terms containing v to the left, all other terms to the right
-v=96
v=96/-1
v=-96
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