方程!1
问题描述：
方程!1
(3/8)x+(5/8)x*(2/3)+55=(1+1/4)x
(1+1/4)X-3/8*X-(1-3/8)*2/3*X=55
答
(3/8)x+(5/8)x*(2/3)+55=(1+1/4)x
(3/8+5/12-5/4)x=-55
(-11/24)x=-55
x=120
(1+1/4)X-3/8*X-(1-3/8)*2/3*X=55
(5/4-3/8-5/12)x=55
(11/24)x=55
x=120