3x/0.5+4.5-(2.8-5x)/0.5=0

问题描述:

3x/0.5+4.5-(2.8-5x)/0.5=0

3x/0.5+4.5-(2.8-5x)/0.5=0
3x+4.5*0.5-(2.8-5x)=0
8x=2.8-4.5*0.5
8x=2.8-2.25
x=0.06875