1-9n=80

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Solution for 1-9n=80 equation: 


Simplifying
1 + -9n = 80

Solving
1 + -9n = 80

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 + -9n = 80 + -1

Combine like terms: 1 + -1 = 0
0 + -9n = 80 + -1
-9n = 80 + -1

Combine like terms: 80 + -1 = 79
-9n = 79

Divide each side by '-9'.
n = -8.777777778

Simplifying
n = -8.777777778

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