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-15 ≤ 3x ≤ 15
-5 ≤ x ≤ 5
HP = { x I -5 ≤ x ≤ 5, x ∈ B}
2.
-2(x + 3) > 5(7 - 2x)
-2x - 6 > 35 - 10x
-2x - 6 + 6 + 10x > 35 - 10x + 10 x+ 6
8x > 41
x >