Question

Solve (x - 2 < 5) ∩ (x + 7 > 6)

Answer 1

(-1 , 7)

Explanation:

Read the symbol ∩ as the word "AND"

x-2 < 5 AND x+7 > 6

x< 5+2 AND x > 6-7

x < 7 AND x > -1

All the numbers greater than -1 AND less than 7

Interval (-1 , 7)