15-n=18

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Solution for 15-n=18 equation:


Simplifying
15 + -1n = 18

Solving
15 + -1n = 18

Solving for variable 'n'.

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

Add '-15' to each side of the equation.
15 + -15 + -1n = 18 + -15

Combine like terms: 15 + -15 = 0
0 + -1n = 18 + -15
-1n = 18 + -15

Combine like terms: 18 + -15 = 3
-1n = 3

Divide each side by '-1'.
n = -3

Simplifying
n = -3

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