39-3x=12

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Solution for 39-3x=12 equation: 


Simplifying
39 + -3x = 12

Solving
39 + -3x = 12

Solving for variable 'x'.

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

Add '-39' to each side of the equation.
39 + -39 + -3x = 12 + -39

Combine like terms: 39 + -39 = 0
0 + -3x = 12 + -39
-3x = 12 + -39

Combine like terms: 12 + -39 = -27
-3x = -27

Divide each side by '-3'.
x = 9

Simplifying
x = 9

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