(2x)/0.3-(0.25-0.1x)/0.02=-5/6

问题描述:

(2x)/0.3-(0.25-0.1x)/0.02=-5/6
求上述方程的解

(2x)/0.3-(0.25-0.1x)/0.02=-5/6
40X-300(0.25-0.1X)=-5
70X-75=-5
X=70除以70
X=1