5-2n-1=18

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Solution for 5-2n-1=18 equation:


Simplifying
5 + -2n + -1 = 18

Reorder the terms:
5 + -1 + -2n = 18

Combine like terms: 5 + -1 = 4
4 + -2n = 18

Solving
4 + -2n = 18

Solving for variable 'n'.

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

Add '-4' to each side of the equation.
4 + -4 + -2n = 18 + -4

Combine like terms: 4 + -4 = 0
0 + -2n = 18 + -4
-2n = 18 + -4

Combine like terms: 18 + -4 = 14
-2n = 14

Divide each side by '-2'.
n = -7

Simplifying
n = -7

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