9-10n+5n=28-99

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Solution for 9-10n+5n=28-99 equation:


Simplifying
9 + -10n + 5n = 28 + -99

Combine like terms: -10n + 5n = -5n
9 + -5n = 28 + -99

Combine like terms: 28 + -99 = -71
9 + -5n = -71

Solving
9 + -5n = -71

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 + -5n = -71 + -9

Combine like terms: 9 + -9 = 0
0 + -5n = -71 + -9
-5n = -71 + -9

Combine like terms: -71 + -9 = -80
-5n = -80

Divide each side by '-5'.
n = 16

Simplifying
n = 16

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