Answer: x = 54/4 = 27/2 ; or, 13 1/2 ; or, 13.5 .
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12(x - 6) = 2(x - 9) ;
12x - 72 = 2x - 18 ;
Add "72" to each side; and subtract "2x" from each side;
12x - 72 + 72 - 3x = 2x - 18 + 72 - 2x ;
4x = 54 ;
Divide each side by "4" ;
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x = 54/4 = 27/2 ; or, 13 1/2 ; or, 13.5 .
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