tolong dijawab ya kak pake caranya

1) (3m - 1) /4 - (4m + 1) /5 < -1
dikali silang
(5 (3m - 1) - 4 (4m + 1) ) /20 < -1
(15m - 5) - (16m + 4) < -1 × (20)
15m - 5 - 16m - 4 < -20
-m - 9 < -20
-m < -20 + 9
-m < -11
m > 11

2) -3 < x < 8
___-3 ____8____