90-1n=1n-90

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Solution for 90-1n=1n-90 equation:


Simplifying
90 + -1n = 1n + -90

Reorder the terms:
90 + -1n = -90 + 1n

Solving
90 + -1n = -90 + 1n

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 + -1n + -1n = -90 + 1n + -1n

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

Combine like terms: 1n + -1n = 0
90 + -2n = -90 + 0
90 + -2n = -90

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

Combine like terms: 90 + -90 = 0
0 + -2n = -90 + -90
-2n = -90 + -90

Combine like terms: -90 + -90 = -180
-2n = -180

Divide each side by '-2'.
n = 90

Simplifying
n = 90

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