21 and it always will be.
No 17 is the answer.
Ah, I thought it was parentheses first, then left to right. So it's all the multiplication first, then the addition. Been a long time.
8-5 is 3 we do that first it leaves this 2+5*3= Once we get there multiply/divide before add subtract So then we end up with 2+15= 17
Yep.