x/50-3=x/60+2 求x

问题描述:

x/50-3=x/60+2 求x

解:6X-900=5X+600
6X-5X=900+600
X=1500

x=1500

= x/50-x/60=5
= (60-50)x/3000=5
= x/300=5
= x=300×5=1500