12+3v=78

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Solution for 12+3v=78 equation: 


Simplifying
12 + 3v = 78

Solving
12 + 3v = 78

Solving for variable 'v'.

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

Add '-12' to each side of the equation.
12 + -12 + 3v = 78 + -12

Combine like terms: 12 + -12 = 0
0 + 3v = 78 + -12
3v = 78 + -12

Combine like terms: 78 + -12 = 66
3v = 66

Divide each side by '3'.
v = 22

Simplifying
v = 22

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