18+7n-1=-9

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


Simplifying
18 + 7n + -1 = -9

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

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

Solving
17 + 7n = -9

Solving for variable 'n'.

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

Add '-17' to each side of the equation.
17 + -17 + 7n = -9 + -17

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

Combine like terms: -9 + -17 = -26
7n = -26

Divide each side by '7'.
n = -3.714285714

Simplifying
n = -3.714285714

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