Răspuns:
h) X = 22
i) X = 10
Explicație pas cu pas:
h) (2X +25) / 24 = (X + 1) / 8
Inmultesti in cruce
16X + 200 = 24X + 24
16X + 176 = 24X
8X = 176
X = 22
i) (1,1X - 4) / x + 4 = 1,5 / 3
Inmultesti in cruce
3,3X - 12 = 1,5X + 6
3,3X = 1,5X + 18
1,8X = 18
X = 10