X+87=123

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Solution for X+87=123 equation: 


Simplifying
X + 87 = 123

Reorder the terms:
87 + X = 123

Solving
87 + X = 123

Solving for variable 'X'.

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

Add '-87' to each side of the equation.
87 + -87 + X = 123 + -87

Combine like terms: 87 + -87 = 0
0 + X = 123 + -87
X = 123 + -87

Combine like terms: 123 + -87 = 36
X = 36

Simplifying
X = 36

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