Răspunsuri

2014-10-09T19:35:02+03:00
5a-5b-x=10
5x(a-b)-x=10
5x4-x=10
20-x=10
x=20-10
x=10
Nu uita de multumesc si raspunsul castigator! :)
x+48=49
Multumesc foarte frumos
x=49-48
x=1
Nu uita de raspuns castigator!