8-7n+2n=12-99

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Solution for 8-7n+2n=12-99 equation:


Simplifying
8 + -7n + 2n = 12 + -99

Combine like terms: -7n + 2n = -5n
8 + -5n = 12 + -99

Combine like terms: 12 + -99 = -87
8 + -5n = -87

Solving
8 + -5n = -87

Solving for variable 'n'.

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

Add '-8' to each side of the equation.
8 + -8 + -5n = -87 + -8

Combine like terms: 8 + -8 = 0
0 + -5n = -87 + -8
-5n = -87 + -8

Combine like terms: -87 + -8 = -95
-5n = -95

Divide each side by '-5'.
n = 19

Simplifying
n = 19

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