3v+4v=21

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Solution for 3v+4v=21 equation: 


Simplifying
3v + 4v = 21

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

Solving
7v = 21

Solving for variable 'v'.

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

Divide each side by '7'.
v = 3

Simplifying
v = 3

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