Himpunan penyelesaian pertidaksamaan :

Kelas 7 Matematika
Bab persamaan Linear

3 – (1/2) (x + 3) = (1/4) . (3x – 1)

** dikali 4 **

12 – 2x – 6 = 3x – 1
-2x – 3x = -1 – 6
-5x = -7
x = -7/-5
x = 7/5

HP = { 7/5 }