12+5v=3v-9

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Solution for 12+5v=3v-9 equation:


Simplifying
12 + 5v = 3v + -9

Reorder the terms:
12 + 5v = -9 + 3v

Solving
12 + 5v = -9 + 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.
12 + 5v + -3v = -9 + 3v + -3v

Combine like terms: 5v + -3v = 2v
12 + 2v = -9 + 3v + -3v

Combine like terms: 3v + -3v = 0
12 + 2v = -9 + 0
12 + 2v = -9

Add '-12' to each side of the equation.
12 + -12 + 2v = -9 + -12

Combine like terms: 12 + -12 = 0
0 + 2v = -9 + -12
2v = -9 + -12

Combine like terms: -9 + -12 = -21
2v = -21

Divide each side by '2'.
v = -10.5

Simplifying
v = -10.5

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