10-n=9

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Solution for 10-n=9 equation: 


Simplifying
10 + -1n = 9

Solving
10 + -1n = 9

Solving for variable 'n'.

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

Add '-10' to each side of the equation.
10 + -10 + -1n = 9 + -10

Combine like terms: 10 + -10 = 0
0 + -1n = 9 + -10
-1n = 9 + -10

Combine like terms: 9 + -10 = -1
-1n = -1

Divide each side by '-1'.
n = 1

Simplifying
n = 1

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