jika 30 < 4x + 18 < 42,maka
Matematika
nabill04
Pertanyaan
jika 30 < 4x + 18 < 42,maka
1 Jawaban
-
1. Jawaban Sitiais211
...30 < 4x + 18 < 42...
30 - 18 < 4x < 42 - 18
12 < 4x < 24
12/4 < x < 24/4
3 < x < 6
Hp = {xl 3 < x < 6}