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-3v+8=-7v-4
We simplify the equation to the form, which is simple to understand
-3v+8=-7v-4
We move all terms containing v to the left and all other terms to the right.
-3v+7v=-4-8
We simplify left and right side of the equation.
+4v=-12
We divide both sides of the equation by 4 to get v.
v=-3
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