-7v+4v=21

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Solution for -7v+4v=21 equation: 


Simplifying
-7v + 4v = 21

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

Solving
-3v = 21

Solving for variable 'v'.

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

Divide each side by '-3'.
v = -7

Simplifying
v = -7

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