n+39=42

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Solution for n+39=42 equation: 


Simplifying
n + 39 = 42

Reorder the terms:
39 + n = 42

Solving
39 + n = 42

Solving for variable 'n'.

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

Add '-39' to each side of the equation.
39 + -39 + n = 42 + -39

Combine like terms: 39 + -39 = 0
0 + n = 42 + -39
n = 42 + -39

Combine like terms: 42 + -39 = 3
n = 3

Simplifying
n = 3

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