90=3n+20

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Solution for 90=3n+20 equation:


Simplifying
90 = 3n + 20

Reorder the terms:
90 = 20 + 3n

Solving
90 = 20 + 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
90 + -3n = 20 + 3n + -3n

Combine like terms: 3n + -3n = 0
90 + -3n = 20 + 0
90 + -3n = 20

Add '-90' to each side of the equation.
90 + -90 + -3n = 20 + -90

Combine like terms: 90 + -90 = 0
0 + -3n = 20 + -90
-3n = 20 + -90

Combine like terms: 20 + -90 = -70
-3n = -70

Divide each side by '-3'.
n = 23.33333333

Simplifying
n = 23.33333333

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