21+5v=2v-9

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Solution for 21+5v=2v-9 equation:


Simplifying
21 + 5v = 2v + -9

Reorder the terms:
21 + 5v = -9 + 2v

Solving
21 + 5v = -9 + 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.
21 + 5v + -2v = -9 + 2v + -2v

Combine like terms: 5v + -2v = 3v
21 + 3v = -9 + 2v + -2v

Combine like terms: 2v + -2v = 0
21 + 3v = -9 + 0
21 + 3v = -9

Add '-21' to each side of the equation.
21 + -21 + 3v = -9 + -21

Combine like terms: 21 + -21 = 0
0 + 3v = -9 + -21
3v = -9 + -21

Combine like terms: -9 + -21 = -30
3v = -30

Divide each side by '3'.
v = -10

Simplifying
v = -10

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