X-18=69

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Solution for X-18=69 equation: 


Simplifying
X + -18 = 69

Reorder the terms:
-18 + X = 69

Solving
-18 + X = 69

Solving for variable 'X'.

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

Add '18' to each side of the equation.
-18 + 18 + X = 69 + 18

Combine like terms: -18 + 18 = 0
0 + X = 69 + 18
X = 69 + 18

Combine like terms: 69 + 18 = 87
X = 87

Simplifying
X = 87

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