x减360乘以1120减2倍x等于20000怎么算?

2025-02-02 14:03:29
推荐回答(1个)
回答1:

(x-360)*1120-2x=20000
1120x-1120*360-2x=20000
1118x=403200+20000
1118x=423200
x=423200/1118