7v=2v-21

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Solution for 7v=2v-21 equation: 


Simplifying
7v = 2v + -21

Reorder the terms:
7v = -21 + 2v

Solving
7v = -21 + 2v

Solving for variable 'v'.

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

Add '-2v' to each side of the equation.
7v + -2v = -21 + 2v + -2v

Combine like terms: 7v + -2v = 5v
5v = -21 + 2v + -2v

Combine like terms: 2v + -2v = 0
5v = -21 + 0
5v = -21

Divide each side by '5'.
v = -4.2

Simplifying
v = -4.2

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