3n+28=31

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Solution for 3n+28=31 equation: 


Simplifying
3n + 28 = 31

Reorder the terms:
28 + 3n = 31

Solving
28 + 3n = 31

Solving for variable 'n'.

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

Add '-28' to each side of the equation.
28 + -28 + 3n = 31 + -28

Combine like terms: 28 + -28 = 0
0 + 3n = 31 + -28
3n = 31 + -28

Combine like terms: 31 + -28 = 3
3n = 3

Divide each side by '3'.
n = 1

Simplifying
n = 1

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