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-19.77=v/7-2.2
We move all terms to the left:
-19.77-(v/7-2.2)=0
We get rid of parentheses
-v/7+2.2-19.77=0
We multiply all the terms by the denominator
-v+(2.2)*7-(19.77)*7=0
We add all the numbers together, and all the variables
-1v-122.99=0
We move all terms containing v to the left, all other terms to the right
-v=122.99
v=122.99/-1
v=-122+0.98999999999999/1
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