18+7n-1-9=

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Solution for 18+7n-1-9= equation: 


Simplifying
18 + 7n + -1 + -9 = 0

Reorder the terms:
18 + -1 + -9 + 7n = 0

Combine like terms: 18 + -1 = 17
17 + -9 + 7n = 0

Combine like terms: 17 + -9 = 8
8 + 7n = 0

Solving
8 + 7n = 0

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 + 7n = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 7n = 0 + -8
7n = 0 + -8

Combine like terms: 0 + -8 = -8
7n = -8

Divide each side by '7'.
n = -1.142857143

Simplifying
n = -1.142857143

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