12+x=39

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Solution for 12+x=39 equation: 


Simplifying
12 + x = 39

Solving
12 + x = 39

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + x = 39 + -12

Combine like terms: 12 + -12 = 0
0 + x = 39 + -12
x = 39 + -12

Combine like terms: 39 + -12 = 27
x = 27

Simplifying
x = 27

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