2(V-1)=20

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Solution for 2(V-1)=20 equation: 


Simplifying
2(V + -1) = 20

Reorder the terms:
2(-1 + V) = 20
(-1 * 2 + V * 2) = 20
(-2 + 2V) = 20

Solving
-2 + 2V = 20

Solving for variable 'V'.

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

Add '2' to each side of the equation.
-2 + 2 + 2V = 20 + 2

Combine like terms: -2 + 2 = 0
0 + 2V = 20 + 2
2V = 20 + 2

Combine like terms: 20 + 2 = 22
2V = 22

Divide each side by '2'.
V = 11

Simplifying
V = 11

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