(1-1/3)x+8=0.8x怎么解?
问题描述:
(1-1/3)x+8=0.8x怎么解?
答
(1-1/3)x+8=0.8x
(2/3)x+8=(4/5)x
(4/5-2/3)x=8
(2/15)x=8
x=8÷(2/15)
x=60