Răspunsuri

2014-09-28T12:16:55+03:00
Desfacem parantezele

3*5x + 6= 5x + 30 +26

15x + 6 = 5x +56

grupam termenii asemanatori:

15x-5x= 56-6

10x=50

x= 50/10
x=5
2014-09-28T13:52:08+03:00