V+9(9v+7)=20v-12-13v

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Solution for V+9(9v+7)=20v-12-13v equation:


Simplifying
V + 9(9v + 7) = 20v + -12 + -13v

Reorder the terms:
V + 9(7 + 9v) = 20v + -12 + -13v
V + (7 * 9 + 9v * 9) = 20v + -12 + -13v
V + (63 + 81v) = 20v + -12 + -13v

Reorder the terms:
63 + V + 81v = 20v + -12 + -13v

Reorder the terms:
63 + V + 81v = -12 + 20v + -13v

Combine like terms: 20v + -13v = 7v
63 + V + 81v = -12 + 7v

Solving
63 + V + 81v = -12 + 7v

Solving for variable 'V'.

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

Add '-63' to each side of the equation.
63 + V + -63 + 81v = -12 + -63 + 7v

Reorder the terms:
63 + -63 + V + 81v = -12 + -63 + 7v

Combine like terms: 63 + -63 = 0
0 + V + 81v = -12 + -63 + 7v
V + 81v = -12 + -63 + 7v

Combine like terms: -12 + -63 = -75
V + 81v = -75 + 7v

Add '-81v' to each side of the equation.
V + 81v + -81v = -75 + 7v + -81v

Combine like terms: 81v + -81v = 0
V + 0 = -75 + 7v + -81v
V = -75 + 7v + -81v

Combine like terms: 7v + -81v = -74v
V = -75 + -74v

Simplifying
V = -75 + -74v

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