PEMDAS:
Parentheses first.
23 + 5 x 10 ÷ 2 - 33 + 3
Multiplication/Division from left to right.
23 + 50 ÷ 2 - 33 + 3
Continue with division.
23 + 25 - 33 + 3
Addition/Subtraction from left to right.
48 - 33 + 3
Continue with subtraction.
15 + 3
Continue with addition.
18.
Answer: 18
Step-by-step explanation:
23 + 5 x 10 / 2 - 33 + (11-8)
23 + 5 x 10 / 2 - 33 + 3
23 + 50 / 2 - 33 + 3
23 + 25 - 33 + 3
48 - 33 + 3
15 + 3
= 18
