Răspuns :
(2 + x)/(x - 1) = 7/6
12 + 6x = 7x - 7
12 + 7 = 7x - 6x
x = 19 = 19/1
(x + 2)/(x + 4) = 4/5
5x + 10 = 4x + 16
5x - 4x = 16 - 10
x = 6 = 6/1
(2 + x)/(x - 1) = 7/6
12 + 6x = 7x - 7
12 + 7 = 7x - 6x
x = 19 = 19/1
(x + 2)/(x + 4) = 4/5
5x + 10 = 4x + 16
5x - 4x = 16 - 10
x = 6 = 6/1