20=V+15

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Solution for 20=V+15 equation: 


Simplifying
20 = V + 15

Reorder the terms:
20 = 15 + V

Solving
20 = 15 + V

Solving for variable 'V'.

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

Add '-1V' to each side of the equation.
20 + -1V = 15 + V + -1V

Combine like terms: V + -1V = 0
20 + -1V = 15 + 0
20 + -1V = 15

Add '-20' to each side of the equation.
20 + -20 + -1V = 15 + -20

Combine like terms: 20 + -20 = 0
0 + -1V = 15 + -20
-1V = 15 + -20

Combine like terms: 15 + -20 = -5
-1V = -5

Divide each side by '-1'.
V = 5

Simplifying
V = 5

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