4v-21=19-v

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Solution for 4v-21=19-v equation:


4v-21=19-v

We simplify the equation to the form, which is simple to understand 
4v-21=19-v

We move all terms containing v to the left and all other terms to the right. 
+4v+1v=+19+21

We simplify left and right side of the equation. 
+5v=+40

We divide both sides of the equation by 5 to get v. 
v=8

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