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-65=7-9v
We move all terms to the left:
-65-(7-9v)=0
We add all the numbers together, and all the variables
-(-9v+7)-65=0
We get rid of parentheses
9v-7-65=0
We add all the numbers together, and all the variables
9v-72=0
We move all terms containing v to the left, all other terms to the right
9v=72
v=72/9
v=8
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