X+20=31

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Solution for X+20=31 equation: 


Simplifying
X + 20 = 31

Reorder the terms:
20 + X = 31

Solving
20 + X = 31

Solving for variable 'X'.

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

Add '-20' to each side of the equation.
20 + -20 + X = 31 + -20

Combine like terms: 20 + -20 = 0
0 + X = 31 + -20
X = 31 + -20

Combine like terms: 31 + -20 = 11
X = 11

Simplifying
X = 11

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