45-n=30

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Solution for 45-n=30 equation: 


Simplifying
45 + -1n = 30

Solving
45 + -1n = 30

Solving for variable 'n'.

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

Add '-45' to each side of the equation.
45 + -45 + -1n = 30 + -45

Combine like terms: 45 + -45 = 0
0 + -1n = 30 + -45
-1n = 30 + -45

Combine like terms: 30 + -45 = -15
-1n = -15

Divide each side by '-1'.
n = 15

Simplifying
n = 15

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