4V+9=-12V

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Solution for 4V+9=-12V equation:


Simplifying
4V + 9 = -12V

Reorder the terms:
9 + 4V = -12V

Solving
9 + 4V = -12V

Solving for variable 'V'.

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

Add '12V' to each side of the equation.
9 + 4V + 12V = -12V + 12V

Combine like terms: 4V + 12V = 16V
9 + 16V = -12V + 12V

Combine like terms: -12V + 12V = 0
9 + 16V = 0

Add '-9' to each side of the equation.
9 + -9 + 16V = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 16V = 0 + -9
16V = 0 + -9

Combine like terms: 0 + -9 = -9
16V = -9

Divide each side by '16'.
V = -0.5625

Simplifying
V = -0.5625

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