X-9-9=8

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Solution for X-9-9=8 equation: 


Simplifying
X + -9 + -9 = 8

Reorder the terms:
-9 + -9 + X = 8

Combine like terms: -9 + -9 = -18
-18 + X = 8

Solving
-18 + X = 8

Solving for variable 'X'.

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

Add '18' to each side of the equation.
-18 + 18 + X = 8 + 18

Combine like terms: -18 + 18 = 0
0 + X = 8 + 18
X = 8 + 18

Combine like terms: 8 + 18 = 26
X = 26

Simplifying
X = 26

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