8v=21+v

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Solution for 8v=21+v equation: 


Simplifying
8v = 21 + v

Solving
8v = 21 + v

Solving for variable 'v'.

Move all terms containing v to the left, all other terms to the right.

Add '-1v' to each side of the equation.
8v + -1v = 21 + v + -1v

Combine like terms: 8v + -1v = 7v
7v = 21 + v + -1v

Combine like terms: v + -1v = 0
7v = 21 + 0
7v = 21

Divide each side by '7'.
v = 3

Simplifying
v = 3

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