Răspunsuri

2014-06-15T18:23:18+03:00
60x/100+80=x
x-3/5=80
2x/5=80
x=80*5/2=200
60xsupra100
60xsupra100 +80=x (simplifici 60 cu 100 si iti da 3suprat 5 ) 2xsupra 5 =80 , x=5ori 80 supra 2 (simplifici 2 cu 80 si ii da 1 supra 40 ) x=4ori 50 , x=200
2014-06-15T18:30:12+03:00
60x/100 + 8000/100=x
60x+8000=100x
60x-100x= -8000
-40x=-8000
x=-8000/-40
x=200