1. The problem statement, all variables and given/known data Solve (x+2)/(x+1) -2 < 0 2. Relevant equations LCD: x + 1 3. The attempt at a solution (x+2-2x-2)/(x+1) < 0 (-x )/(x+1) < 0 But somehow, I got the wrong answer. The answer is (4, 7]. But I don't know where I went wrong.