1.4%x+3.7%(2000000-x)等于6250 x等于?_数学解答

1.4%x+3.7%(2000000-x)等于6250 x等于?

人气：305 ℃　时间：2020-05-14 23:17:05

解答

1.4%x+3.7%(2000000-x)=6250
0.014x+74000-0.037x=6250
-0.023x=-67750
x=2945652.1739