12X+X=39

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Solution for 12X+X=39 equation: 


Simplifying
12X + X = 39

Combine like terms: 12X + X = 13X
13X = 39

Solving
13X = 39

Solving for variable 'X'.

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

Divide each side by '13'.
X = 3

Simplifying
X = 3

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