oblicz 200*(10+x)+50*x=12000
oblicz
200*(10+x)+50*x=12000
200*(10+x)+50*x=12000 2000+200x+50x=12000 250x=10000//:250 x=40
2000+200x+50x=12000 250x=12000-2000 250x=10000/:250 x=40
200*(10+x)+50*x=12000 2000+200x+50x=12000 200x+50x=12000-2000 250x=10000 /:250 x=40