12-(-9v)=8-4v

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


Simplifying
12 + -1(-9v) = 8 + -4v

Remove parenthesis around (-9v)
12 + -1 * -9v = 8 + -4v

Multiply -1 * -9
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 = 13v
12 + 13v = 8 + -4v + 4v

Combine like terms: -4v + 4v = 0
12 + 13v = 8 + 0
12 + 13v = 8

Add '-12' to each side of the equation.
12 + -12 + 13v = 8 + -12

Combine like terms: 12 + -12 = 0
0 + 13v = 8 + -12
13v = 8 + -12

Combine like terms: 8 + -12 = -4
13v = -4

Divide each side by '13'.
v = -0.3076923077

Simplifying
v = -0.3076923077

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