9-3n=45

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Solution for 9-3n=45 equation: 


Simplifying
9 + -3n = 45

Solving
9 + -3n = 45

Solving for variable 'n'.

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

Add '-9' to each side of the equation.
9 + -9 + -3n = 45 + -9

Combine like terms: 9 + -9 = 0
0 + -3n = 45 + -9
-3n = 45 + -9

Combine like terms: 45 + -9 = 36
-3n = 36

Divide each side by '-3'.
n = -12

Simplifying
n = -12

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