7.8v+11.99=6.4v-19.72-0.7v

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Solution for 7.8v+11.99=6.4v-19.72-0.7v equation: 


Simplifying
7.8v + 11.99 = 6.4v + -19.72 + -0.7v

Reorder the terms:
11.99 + 7.8v = 6.4v + -19.72 + -0.7v

Reorder the terms:
11.99 + 7.8v = -19.72 + 6.4v + -0.7v

Combine like terms: 6.4v + -0.7v = 5.7v
11.99 + 7.8v = -19.72 + 5.7v

Solving
11.99 + 7.8v = -19.72 + 5.7v

Solving for variable 'v'.

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

Add '-5.7v' to each side of the equation.
11.99 + 7.8v + -5.7v = -19.72 + 5.7v + -5.7v

Combine like terms: 7.8v + -5.7v = 2.1v
11.99 + 2.1v = -19.72 + 5.7v + -5.7v

Combine like terms: 5.7v + -5.7v = 0.0
11.99 + 2.1v = -19.72 + 0.0
11.99 + 2.1v = -19.72

Add '-11.99' to each side of the equation.
11.99 + -11.99 + 2.1v = -19.72 + -11.99

Combine like terms: 11.99 + -11.99 = 0.00
0.00 + 2.1v = -19.72 + -11.99
2.1v = -19.72 + -11.99

Combine like terms: -19.72 + -11.99 = -31.71
2.1v = -31.71

Divide each side by '2.1'.
v = -15.1

Simplifying
v = -15.1

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