解(5-0.1x)÷1.2-(x-0.1)÷2.4=1
问题描述:
解(5-0.1x)÷1.2-(x-0.1)÷2.4=1
答
两边乘以2.4,化为:
2(5-0.1x)-x+0.1=2.4
10-0.2x-x+0.1=2.4
-1.2x=2.4-10-0.1
x=-7.7÷(-1.2)
x=12分之77