2n+8n-19=81

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Solution for 2n+8n-19=81 equation:


Simplifying
2n + 8n + -19 = 81

Reorder the terms:
-19 + 2n + 8n = 81

Combine like terms: 2n + 8n = 10n
-19 + 10n = 81

Solving
-19 + 10n = 81

Solving for variable 'n'.

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

Add '19' to each side of the equation.
-19 + 19 + 10n = 81 + 19

Combine like terms: -19 + 19 = 0
0 + 10n = 81 + 19
10n = 81 + 19

Combine like terms: 81 + 19 = 100
10n = 100

Divide each side by '10'.
n = 10

Simplifying
n = 10

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