4v=21-3v

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Solution for 4v=21-3v equation: 


Simplifying
4v = 21 + -3v

Solving
4v = 21 + -3v

Solving for variable 'v'.

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

Add '3v' to each side of the equation.
4v + 3v = 21 + -3v + 3v

Combine like terms: 4v + 3v = 7v
7v = 21 + -3v + 3v

Combine like terms: -3v + 3v = 0
7v = 21 + 0
7v = 21

Divide each side by '7'.
v = 3

Simplifying
v = 3

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