X-0.5X-12-0.5(X-0.5X-12)-8=18怎么解_数学解答

X-0.5X-12-0.5(X-0.5X-12)-8=18怎么解

人气：170 ℃　时间：2020-06-04 14:20:09

解答

X-0.5X-12-0.5(X-0.5X-12)-8=18
0.5x-12-0.5(0.5x-12)=18
(1-0.5)(0.5x-12)=18
0.5(0.5x-12)=18
0.25x-6=18
0.25x=24
x=96