Răspunsuri

2014-10-01T15:17:44+03:00
(x+13)+87=200
(x+13)=200-87
(x+13)=113
x=113-13
x=100

3x+81=381
3x=381-81
3x=300
x=100

cel mai bun raspuns?

imi raspunzi la asta ? x + 2y +3X
STIIND CA X + 2Y +13 =24 ,determinati 18 + 2y+3x