兩邊乘以6得
2x+36=3(x+6)
2x+36=3x+18
∴x=18??3??X??6??????|X-3|-|6-2X|+|X-6|??3
06-2x<0x-6<0??|x-3|-|6-2x|+|x-6| =x-3-(2x-6)+6-x=x-3-2x+6+6-x=9????????????2X?????-Y?????+2??Y???-X?????-3??X???+2Y??????????У?X-2???????+|Y+3|=0??????????????????????????????? лл