13V+20-5V=5(V+7)

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Solution for 13V+20-5V=5(V+7) equation:


Simplifying
13V + 20 + -5V = 5(V + 7)

Reorder the terms:
20 + 13V + -5V = 5(V + 7)

Combine like terms: 13V + -5V = 8V
20 + 8V = 5(V + 7)

Reorder the terms:
20 + 8V = 5(7 + V)
20 + 8V = (7 * 5 + V * 5)
20 + 8V = (35 + 5V)

Solving
20 + 8V = 35 + 5V

Solving for variable 'V'.

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

Add '-5V' to each side of the equation.
20 + 8V + -5V = 35 + 5V + -5V

Combine like terms: 8V + -5V = 3V
20 + 3V = 35 + 5V + -5V

Combine like terms: 5V + -5V = 0
20 + 3V = 35 + 0
20 + 3V = 35

Add '-20' to each side of the equation.
20 + -20 + 3V = 35 + -20

Combine like terms: 20 + -20 = 0
0 + 3V = 35 + -20
3V = 35 + -20

Combine like terms: 35 + -20 = 15
3V = 15

Divide each side by '3'.
V = 5

Simplifying
V = 5

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