3n+12=78

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Solution for 3n+12=78 equation: 


Simplifying
3n + 12 = 78

Reorder the terms:
12 + 3n = 78

Solving
12 + 3n = 78

Solving for variable 'n'.

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

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

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

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

Divide each side by '3'.
n = 22

Simplifying
n = 22

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