X+45=129

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Solution for X+45=129 equation: 


Simplifying
X + 45 = 129

Reorder the terms:
45 + X = 129

Solving
45 + X = 129

Solving for variable 'X'.

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

Add '-45' to each side of the equation.
45 + -45 + X = 129 + -45

Combine like terms: 45 + -45 = 0
0 + X = 129 + -45
X = 129 + -45

Combine like terms: 129 + -45 = 84
X = 84

Simplifying
X = 84

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