Answer:
21
Step-by-step explanation:
Result: -8
Subtract: 17
Multiply: -2
The key to finding the number is to reverse the steps given. So instead of subtracting then multiplying, it's supposed to be dividing then adding.
1) -8 / -2
2) 4 + 17
3) 21
How the answer was found with 21:
1) 21 - 17
2) 4 * -2
3) -8
