V+3.89=7.78

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Solution for V+3.89=7.78 equation: 


Simplifying
V + 3.89 = 7.78

Reorder the terms:
3.89 + V = 7.78

Solving
3.89 + V = 7.78

Solving for variable 'V'.

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

Add '-3.89' to each side of the equation.
3.89 + -3.89 + V = 7.78 + -3.89

Combine like terms: 3.89 + -3.89 = 0.00
0.00 + V = 7.78 + -3.89
V = 7.78 + -3.89

Combine like terms: 7.78 + -3.89 = 3.89
V = 3.89

Simplifying
V = 3.89

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