V+20=7

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Solution for V+20=7 equation: 


Simplifying
V + 20 = 7

Reorder the terms:
20 + V = 7

Solving
20 + V = 7

Solving for variable 'V'.

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

Add '-20' to each side of the equation.
20 + -20 + V = 7 + -20

Combine like terms: 20 + -20 = 0
0 + V = 7 + -20
V = 7 + -20

Combine like terms: 7 + -20 = -13
V = -13

Simplifying
V = -13

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