2+8-7-9

To solve the expression \(2 + 8 - 7 - 9\):

1. First, add \(2\) and \(8\): \[ 2 + 8 = 10 \]

2. Then subtract \(7\) from \(10\): \[ 10 - 7 = 3 \]

3. Finally, subtract \(9\) from \(3\): \[ 3 - 9 = -6 \]

So, the final answer is \(-6\).