n+30=9

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Solution for n+30=9 equation: 


Simplifying
n + 30 = 9

Reorder the terms:
30 + n = 9

Solving
30 + n = 9

Solving for variable 'n'.

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

Add '-30' to each side of the equation.
30 + -30 + n = 9 + -30

Combine like terms: 30 + -30 = 0
0 + n = 9 + -30
n = 9 + -30

Combine like terms: 9 + -30 = -21
n = -21

Simplifying
n = -21

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