Answer :
It’s 15
Do parentheses first, next division, then add and subtract left to right.
20 ÷ 4 + 12 - 2
5 + 12 - 2
17 - 2
15
Do parentheses first, next division, then add and subtract left to right.
20 ÷ 4 + 12 - 2
5 + 12 - 2
17 - 2
15