X+n=30

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Solution for X+n=30 equation: 


Simplifying
X + n = 30

Solving
X + n = 30

Solving for variable 'X'.

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

Add '-1n' to each side of the equation.
X + n + -1n = 30 + -1n

Combine like terms: n + -1n = 0
X + 0 = 30 + -1n
X = 30 + -1n

Simplifying
X = 30 + -1n

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