Answer:
A and D
Step-by-step explanation:
3x + 2 = x + x + x + 2
2(x+1)+x = 2x + 2 + x = 3x+2
39.8, $51.00
20
420-400=20
Order is operation is PEMDAS which means Parentheses, Exponents Mulitiplication,division,Addition and Subtraction so you follow the order whether they exist or not.
So (41-3^2)-(4+4)=
41-9-8 = 32-8 = 24
199
8