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-1+7(1-7v)=202
We move all terms to the left:
-1+7(1-7v)-(202)=0
We add all the numbers together, and all the variables
7(-7v+1)-1-202=0
We add all the numbers together, and all the variables
7(-7v+1)-203=0
We multiply parentheses
-49v+7-203=0
We add all the numbers together, and all the variables
-49v-196=0
We move all terms containing v to the left, all other terms to the right
-49v=196
v=196/-49
v=-4
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