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17.89-15v=-17.81-9v-16.2v
We move all terms to the left:
17.89-15v-(-17.81-9v-16.2v)=0
We add all the numbers together, and all the variables
-15v-(-25.2v-17.81)+17.89=0
We get rid of parentheses
-15v+25.2v+17.81+17.89=0
We add all the numbers together, and all the variables
10.2v+35.7=0
We move all terms containing v to the left, all other terms to the right
10.2v=-35.7
v=-35.7/10.2
v=-3+1/2
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