Question

A = { x apartine Z | -7 < 2x - 1<5}

Answer 1

-7 < 2x - 1 < 5  |+1
-6 < 2x < 6     |:2
-3 < x < 3

x ∈ {-2, -1, 0, 1, 2}
A = {-2, -1, 0, 1, 2}