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4v+6v-13v=9
We simplify the equation to the form, which is simple to understand
4v+6v-13v=9
We move all terms containing v to the left and all other terms to the right.
+4v+6v-13v=+9
We simplify left and right side of the equation.
-3v=+9
We divide both sides of the equation by -3 to get v.
v=-3
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