解:因为 (2X-12)x3=48 所以 2x - 12 = 16 2x = 28 x = 14
解:原式化简可得6x-36=486x=48+366x=84x=14
(2X-12)x3=48(2X-12)=48/32X-12=162X=16+122X=28X=28/2X=14
X=(48/3+12)/2=14