Answer:
A. x + 5
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
- Terms/Coefficients
- Factoring
Step-by-step explanation:
<u>Step 1: Define</u>
<em>Identify</em>

<u>Step 2: Simplify</u>
- Factor:

- Divide:

2x - 4y = 10
7x - 9y = 12
_________
9x - 5y = 2
Answer: y = 1
so 1! hopefully I helped!
Step-by-step explanation: