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Solve for x: 3(x+6)=12

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HuInDWorldviz
[tex]3x + 6 = 12 \\ 3x = 12 - 6 \\ \frac{3x}{3} = \frac{6}{3} \\ x = 2 [/tex]
3x + 18 =12
(transpose 18 to the other side)
3x= -18+12
3x= -6
x= -2