x+9-9=18

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Solution for x+9-9=18 equation: 


Simplifying
x + 9 + -9 = 18

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

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

Solving
x = 18

Solving for variable 'x'.

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

Simplifying
x = 18

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