Question

Solve (x 2 < 5) ∩ (x - 7 > -6).

Answer 1

X + 2 < 5 and x - 7 > -6
x < 5 - 2 and x > -6 + 7
x < 3 and x > 1

Therefore, solutin is {x | 1 < x < 3}