-20=3v-7v

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Solution for -20=3v-7v equation:


-20=3v-7v

We simplify the equation to the form, which is simple to understand 
-20=3v-7v

We move all terms containing v to the left and all other terms to the right. 
-3v+7v=+20

We simplify left and right side of the equation. 
+4v=+20

We divide both sides of the equation by 4 to get v. 
v=5

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