8=-4(v-20)

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Solution for 8=-4(v-20) equation:


Simplifying
8 = -4(v + -20)

Reorder the terms:
8 = -4(-20 + v)
8 = (-20 * -4 + v * -4)
8 = (80 + -4v)

Solving
8 = 80 + -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.
8 + 4v = 80 + -4v + 4v

Combine like terms: -4v + 4v = 0
8 + 4v = 80 + 0
8 + 4v = 80

Add '-8' to each side of the equation.
8 + -8 + 4v = 80 + -8

Combine like terms: 8 + -8 = 0
0 + 4v = 80 + -8
4v = 80 + -8

Combine like terms: 80 + -8 = 72
4v = 72

Divide each side by '4'.
v = 18

Simplifying
v = 18

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