Question

X is an integer satisfying 1 ≤ 2x + 3 ≤ 7. How many values can it take?

Answer 1

Here is the required answer

Answer 2

1-3<2x<7-3 I.e -2<2x<4 I.e -1<x<2 so it can take values between -1and 2 so 4 in total