1-2n=19

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Solution for 1-2n=19 equation: 


Simplifying
1 + -2n = 19

Solving
1 + -2n = 19

Solving for variable 'n'.

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

Add '-1' to each side of the equation.
1 + -1 + -2n = 19 + -1

Combine like terms: 1 + -1 = 0
0 + -2n = 19 + -1
-2n = 19 + -1

Combine like terms: 19 + -1 = 18
-2n = 18

Divide each side by '-2'.
n = -9

Simplifying
n = -9

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