plis dong​

5x/2 + 4 ≤ 20

___________(×2)

5x + 8 ≤ 40

5x ≤ 40 – 8

5x ≤ 32

x ≤ 32/5

x ≤ 6 2/5 —> pecahan campuran dibaca "enam dua per lima"