5000×(8-x)+500x=36300

日期：2022-02-13 17:11:18 人气：1

5000×(8-X)+500X=36300
5000x8-5000X+500X=36300
40000-5000X+500X=36300
40000-40000-5000X+500X=36300-40000
-5000X+500X=-3700
-4500X=-3700
-4500X÷4500=-3700÷4500
X=37/45
-4