81n-21=5+91n

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Solution for 81n-21=5+91n equation:


Simplifying
81n + -21 = 5 + 91n

Reorder the terms:
-21 + 81n = 5 + 91n

Solving
-21 + 81n = 5 + 91n

Solving for variable 'n'.

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

Add '-91n' to each side of the equation.
-21 + 81n + -91n = 5 + 91n + -91n

Combine like terms: 81n + -91n = -10n
-21 + -10n = 5 + 91n + -91n

Combine like terms: 91n + -91n = 0
-21 + -10n = 5 + 0
-21 + -10n = 5

Add '21' to each side of the equation.
-21 + 21 + -10n = 5 + 21

Combine like terms: -21 + 21 = 0
0 + -10n = 5 + 21
-10n = 5 + 21

Combine like terms: 5 + 21 = 26
-10n = 26

Divide each side by '-10'.
n = -2.6

Simplifying
n = -2.6

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