30+2V=15+7V

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Solution for 30+2V=15+7V equation: 


Simplifying
30 + 2V = 15 + 7V

Solving
30 + 2V = 15 + 7V

Solving for variable 'V'.

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

Add '-7V' to each side of the equation.
30 + 2V + -7V = 15 + 7V + -7V

Combine like terms: 2V + -7V = -5V
30 + -5V = 15 + 7V + -7V

Combine like terms: 7V + -7V = 0
30 + -5V = 15 + 0
30 + -5V = 15

Add '-30' to each side of the equation.
30 + -30 + -5V = 15 + -30

Combine like terms: 30 + -30 = 0
0 + -5V = 15 + -30
-5V = 15 + -30

Combine like terms: 15 + -30 = -15
-5V = -15

Divide each side by '-5'.
V = 3

Simplifying
V = 3

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