X+129=125

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Solution for X+129=125 equation: 


Simplifying
X + 129 = 125

Reorder the terms:
129 + X = 125

Solving
129 + X = 125

Solving for variable 'X'.

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

Add '-129' to each side of the equation.
129 + -129 + X = 125 + -129

Combine like terms: 129 + -129 = 0
0 + X = 125 + -129
X = 125 + -129

Combine like terms: 125 + -129 = -4
X = -4

Simplifying
X = -4

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