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=_数学解答

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

人气：355 ℃　时间：2020-04-24 13:19:23

解答

(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