90-2n=n+18

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Solution for 90-2n=n+18 equation:


Simplifying
90 + -2n = n + 18

Reorder the terms:
90 + -2n = 18 + n

Solving
90 + -2n = 18 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
90 + -2n + -1n = 18 + n + -1n

Combine like terms: -2n + -1n = -3n
90 + -3n = 18 + n + -1n

Combine like terms: n + -1n = 0
90 + -3n = 18 + 0
90 + -3n = 18

Add '-90' to each side of the equation.
90 + -90 + -3n = 18 + -90

Combine like terms: 90 + -90 = 0
0 + -3n = 18 + -90
-3n = 18 + -90

Combine like terms: 18 + -90 = -72
-3n = -72

Divide each side by '-3'.
n = 24

Simplifying
n = 24

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