X+138=204

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Solution for X+138=204 equation: 


Simplifying
X + 138 = 204

Reorder the terms:
138 + X = 204

Solving
138 + X = 204

Solving for variable 'X'.

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

Add '-138' to each side of the equation.
138 + -138 + X = 204 + -138

Combine like terms: 138 + -138 = 0
0 + X = 204 + -138
X = 204 + -138

Combine like terms: 204 + -138 = 66
X = 66

Simplifying
X = 66

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