8=2(v-9)-(-4)

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Solution for 8=2(v-9)-(-4) equation:


Simplifying
8 = 2(v + -9) + -1(-4)

Reorder the terms:
8 = 2(-9 + v) + -1(-4)
8 = (-9 * 2 + v * 2) + -1(-4)
8 = (-18 + 2v) + -1(-4)

Multiply -1 * -4
8 = -18 + 2v + 4

Reorder the terms:
8 = -18 + 4 + 2v

Combine like terms: -18 + 4 = -14
8 = -14 + 2v

Solving
8 = -14 + 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.
8 + -2v = -14 + 2v + -2v

Combine like terms: 2v + -2v = 0
8 + -2v = -14 + 0
8 + -2v = -14

Add '-8' to each side of the equation.
8 + -8 + -2v = -14 + -8

Combine like terms: 8 + -8 = 0
0 + -2v = -14 + -8
-2v = -14 + -8

Combine like terms: -14 + -8 = -22
-2v = -22

Divide each side by '-2'.
v = 11

Simplifying
v = 11

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