3n+78=81

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Solution for 3n+78=81 equation: 


Simplifying
3n + 78 = 81

Reorder the terms:
78 + 3n = 81

Solving
78 + 3n = 81

Solving for variable 'n'.

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

Add '-78' to each side of the equation.
78 + -78 + 3n = 81 + -78

Combine like terms: 78 + -78 = 0
0 + 3n = 81 + -78
3n = 81 + -78

Combine like terms: 81 + -78 = 3
3n = 3

Divide each side by '3'.
n = 1

Simplifying
n = 1

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