9-x-18=0

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Solution for 9-x-18=0 equation: 


Simplifying
9 + -1x + -18 = 0

Reorder the terms:
9 + -18 + -1x = 0

Combine like terms: 9 + -18 = -9
-9 + -1x = 0

Solving
-9 + -1x = 0

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + -1x = 0 + 9

Combine like terms: -9 + 9 = 0
0 + -1x = 0 + 9
-1x = 0 + 9

Combine like terms: 0 + 9 = 9
-1x = 9

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

Simplifying
x = -9

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