5n+9+10n=84

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Solution for 5n+9+10n=84 equation:


Simplifying
5n + 9 + 10n = 84

Reorder the terms:
9 + 5n + 10n = 84

Combine like terms: 5n + 10n = 15n
9 + 15n = 84

Solving
9 + 15n = 84

Solving for variable 'n'.

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

Add '-9' to each side of the equation.
9 + -9 + 15n = 84 + -9

Combine like terms: 9 + -9 = 0
0 + 15n = 84 + -9
15n = 84 + -9

Combine like terms: 84 + -9 = 75
15n = 75

Divide each side by '15'.
n = 5

Simplifying
n = 5

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