Answer:
[tex]6[/tex]
Step-by-step explanation:
Order of Operations: Parentheses, Exponents, Multiplication, Division, Addition, Subtraction. (P.E.M.D.A.S) [tex]please[/tex] [tex]excuse[/tex] [tex]my[/tex] [tex]dear[/tex] [tex]aunt[/tex] [tex]sally[/tex].
Begin with solving the parentheses
[20 - (3+4) × 2] ⇒ [20 - 7 × 2]
Next multiplication is the next highest operation
[20 - 7 × 2] ⇒ [20 - 14]
Next and last on the list subtraction
[20 - 14] ⇒ [6]
