(4x-1.5)/0.5-(1.2-x)/0.1=(5x-0.8)/0.2
问题描述:
(4x-1.5)/0.5-(1.2-x)/0.1=(5x-0.8)/0.2
答
2(4x-1.5)-10(1.2-x)=5(5x-0.8)
8x-3-12+10x=25x-4
18x-15=25x-4
7x=-11
x=-11/7