-4+20=-(8v-4v)

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


Simplifying
-4 + 20 = -1(8v + -4v)

Combine like terms: -4 + 20 = 16
16 = -1(8v + -4v)

Combine like terms: 8v + -4v = 4v
16 = -1(4v)

Remove parenthesis around (4v)
16 = -1 * 4v

Multiply -1 * 4
16 = -4v

Solving
16 = -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.
16 + 4v = -4v + 4v

Combine like terms: -4v + 4v = 0
16 + 4v = 0

Add '-16' to each side of the equation.
16 + -16 + 4v = 0 + -16

Combine like terms: 16 + -16 = 0
0 + 4v = 0 + -16
4v = 0 + -16

Combine like terms: 0 + -16 = -16
4v = -16

Divide each side by '4'.
v = -4

Simplifying
v = -4

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