早教吧 育儿知识 作业答案 考试题库 百科 知识分享

8分之1+3分之1x=24分之17x-4分之1x+5分之1x=95

题目详情
8分之1+3分之1x=24分之17 x-4分之1x+5分之1x=95
▼优质解答
答案和解析
(1/8) + (1/3)x = 17/24
(1/3)x = 17/24 - 1/8
(1/3)x = 17/24 - 3/24
(1/3)x = 14/24
x = (7/12)×3
x = 7/4
x - (1/4)x + (1/5)x = 95
(20/20)x - (5/20)x + (4/20)x = 95
( 20/20 - 5/20 + 4/20)x = 95
(19/20)x = 95
x = 95×20/19
x = 100