What is the solution for this equation 3x plus 6 equals 12?

3X + 6 = 12

subtract 6 from each side

3X + 6 - 6 = 12 - 6

3X = 6

divide each sides integer by 3

(3/3)X = 6/3

X = 2

------------check in original equation

3(2) + 6 = 12

6 + 6 = 12

12 = 12

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