Answer:

General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
Step-by-step explanation:
<u>Step 1: Define</u>
<em>Identify</em>
<em />
<em />
<em />
<u>Step 2: Simplify</u>
- Combine like terms (x):

- Combine like terms (y):

-1 because they in between
2
Because -
2 x 12=12
2 x 13 = 36
2 x 42 = 84
I think the answer is A. 7 5/6