1/5(48-X)=1/4X
问题描述:
1/5(48-X)=1/4X
答
1/5(48-X)=1/4X
解: 48/5- x/5 =1/4X
4x乘以48-4x乘以5 = 5
192x -20x = 5
172x = 5
x = 5/172
楼主.相信我哦..
答
4*(48-x)=5x
178=9x
x=63/3
答
两外项的乘积等于两内项的乘积 分母不能为0
5(48-X)=4X
48-x不等于0
4x不等于0