Question

[30%x+20%(250-x)]*0.9=250+33.5怎样解方程

Answer 1

[30%x+20%(250-x)]*0.9=250+33.5

（0.3x+50-0.2x）*0.9=283.5

0.09x+45=283.5

0.09x=238.5

X=2650