X+8=9+9

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Solution for X+8=9+9 equation: 


Simplifying
X + 8 = 9 + 9

Reorder the terms:
8 + X = 9 + 9

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

Solving
8 + X = 18

Solving for variable 'X'.

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

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

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

Combine like terms: 18 + -8 = 10
X = 10

Simplifying
X = 10

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