1.8-8x/1.2-1.3-3x/0.2=5x-0.4/0.2
问题描述:
1.8-8x/1.2-1.3-3x/0.2=5x-0.4/0.2
答
(1.8-8x)/1.2-(1.3-3x)/0.2=(5x-0.4)/0.2
1.8-8x-6(1.3-3x)=6(5x-0.4)
1.8-8x-7.8+18x=30x-2.4
20x=-3.6
x=-0.18