(1+10%)x-(x-50)(1-20%)=100(方程怎么解)

(1+10%)x-(x-50)(1-20%)=100(方程怎么解)要有过程
2025-03-31 23:20:14
推荐回答(1个)
回答1:

(1+10%)x-(x-50)(1-20%)=100
1.1x-0.8x+40=100
0.3x=100-40
x=60/0.3
x=200