90=10n-90

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Solution for 90=10n-90 equation:


Simplifying
90 = 10n + -90

Reorder the terms:
90 = -90 + 10n

Solving
90 = -90 + 10n

Solving for variable 'n'.

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

Add '-10n' to each side of the equation.
90 + -10n = -90 + 10n + -10n

Combine like terms: 10n + -10n = 0
90 + -10n = -90 + 0
90 + -10n = -90

Add '-90' to each side of the equation.
90 + -90 + -10n = -90 + -90

Combine like terms: 90 + -90 = 0
0 + -10n = -90 + -90
-10n = -90 + -90

Combine like terms: -90 + -90 = -180
-10n = -180

Divide each side by '-10'.
n = 18

Simplifying
n = 18

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