19+x=31

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Solution for 19+x=31 equation: 


Simplifying
19 + x = 31

Solving
19 + x = 31

Solving for variable 'x'.

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

Add '-19' to each side of the equation.
19 + -19 + x = 31 + -19

Combine like terms: 19 + -19 = 0
0 + x = 31 + -19
x = 31 + -19

Combine like terms: 31 + -19 = 12
x = 12

Simplifying
x = 12

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