Răspuns :
(x * 2 + 15) : 3 = 17
2x + 15 = 17 * 3
2x = 51 - 15
2x = 36
x = 36 : 2
x = 18
Mergi invers
2x + 15 = 17 * 3
2x = 51 - 15
2x = 36
x = 36 : 2
x = 18
Mergi invers