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193=13-v
We move all terms to the left:
193-(13-v)=0
We add all the numbers together, and all the variables
-(-1v+13)+193=0
We get rid of parentheses
1v-13+193=0
We add all the numbers together, and all the variables
v+180=0
We move all terms containing v to the left, all other terms to the right
v=-180
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