12-9v=8-4v

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Solution for 12-9v=8-4v equation:


Simplifying
12 + -9v = 8 + -4v

Solving
12 + -9v = 8 + -4v

Solving for variable 'v'.

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

Add '4v' to each side of the equation.
12 + -9v + 4v = 8 + -4v + 4v

Combine like terms: -9v + 4v = -5v
12 + -5v = 8 + -4v + 4v

Combine like terms: -4v + 4v = 0
12 + -5v = 8 + 0
12 + -5v = 8

Add '-12' to each side of the equation.
12 + -12 + -5v = 8 + -12

Combine like terms: 12 + -12 = 0
0 + -5v = 8 + -12
-5v = 8 + -12

Combine like terms: 8 + -12 = -4
-5v = -4

Divide each side by '-5'.
v = 0.8

Simplifying
v = 0.8

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