Răspuns :
a) x = 3 - y
2(3 - y) - y = 3
6 - 2y - y = 3
3y = 6 - 3
3y = 3
y = 1
x = 2
b) 24 y = 18 - 3
24 y = 15
y = 15/24 = 5/8
2x = y + 1 = 5/8 + 1 =13/8
x = 13/16
2(3 - y) - y = 3
6 - 2y - y = 3
3y = 6 - 3
3y = 3
y = 1
x = 2
b) 24 y = 18 - 3
24 y = 15
y = 15/24 = 5/8
2x = y + 1 = 5/8 + 1 =13/8
x = 13/16