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-v/9+7=40
We move all terms to the left:
-v/9+7-(40)=0
We add all the numbers together, and all the variables
-v/9-33=0
We multiply all the terms by the denominator
-v-33*9=0
We add all the numbers together, and all the variables
-1v-297=0
We move all terms containing v to the left, all other terms to the right
-v=297
v=297/-1
v=-297
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