x-3⼀0.5-x+4⼀0.2=1.6

x-3/0.5-x+4/0.2=1.69
2025-02-27 07:30:52
推荐回答(1个)
回答1:

(x-3)/0.5-(x+4)/0.2=1.6
0.2*(x-3)-0.5*(x+4)=0.16
2*(x-3)-5*(x+4)=1.6
2x-6-5x-20=1.6
-3x=27.6
x=-9.2