v=(-v+20)

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


Simplifying
v = (-1v + 20)

Reorder the terms:
v = (20 + -1v)

Remove parenthesis around (20 + -1v)
v = 20 + -1v

Solving
v = 20 + -1v

Solving for variable 'v'.

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

Add 'v' to each side of the equation.
v + v = 20 + -1v + v

Combine like terms: v + v = 2v
2v = 20 + -1v + v

Combine like terms: -1v + v = 0
2v = 20 + 0
2v = 20

Divide each side by '2'.
v = 10

Simplifying
v = 10

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