bantu kak plsssssssss
Penjelasan dengan langkah-langkah:
SUBTITUSI VARIABEL dengan KONSTANTA NEGATIF
59. –5x – 10 < –30
–5x < 10 – 30
–5x < – 20
x > –20
–5
x > 4 ✔
60. –2x – 8 ≤ – 8
–4
–2x – 8 + 8 × (–4) ≤ 0
–4 –4
–2x – 8 – 32 ≤ 0
–4
–2x – 40 ≤ 0
–4
½x + 10 ≤ 0
½x ≤ –10
x ≤ –10
½
