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230=78-v
We move all terms to the left:
230-(78-v)=0
We add all the numbers together, and all the variables
-(-1v+78)+230=0
We get rid of parentheses
1v-78+230=0
We add all the numbers together, and all the variables
v+152=0
We move all terms containing v to the left, all other terms to the right
v=-152
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