THE ANSWER IS

Let’s solve the expression step by step:

4 + 2 × 9 – 1 + 7

1. First, handle the multiplication: 2 × 9 = 18

Now the expression becomes: 4 + 18 – 1 + 7

2. Perform the additions and subtractions from left to right: 4 + 18 = 22 22 – 1 = 21 21 + 7 = 28

So, the result is 28.