9-9n=18

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Solution for 9-9n=18 equation: 


Simplifying
9 + -9n = 18

Solving
9 + -9n = 18

Solving for variable 'n'.

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

Add '-9' to each side of the equation.
9 + -9 + -9n = 18 + -9

Combine like terms: 9 + -9 = 0
0 + -9n = 18 + -9
-9n = 18 + -9

Combine like terms: 18 + -9 = 9
-9n = 9

Divide each side by '-9'.
n = -1

Simplifying
n = -1

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