By the order of operations, the answer is 5.
The order of operations is PEMDAS -
· Parenthesis
· Exponents
· Multiplication
· Division
· Addition
· Subtraction
Thus, we would multiply 3 with 16 and 2 with 21 first.
2 + 3 × 16 - 2 × 21 - 3
2 + 48 - 42 - 3
Now we combine the terms from left to right.
2 + 48 - 42 - 3
50 - 42 - 3
8 - 3
5
Answer:
5
