PLEASE HELP SOLVE
1.-8p - 7 ≥ - 5 - 5p - 4p p ≥
2.r - 1 ≤ - 8 + 2r r ≥
3.a + 6 < 6 + 2a a >
4.16 - 4x + 1 + 5 < 1 + x + 2x x >