I think its b idk im doing the test if i get it right plz make brainliest answer
Answer:
Answer is 368.94
Step-by-step explanation:
Answer:
3x + 0.8y
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Distributive Property
<u>Algebra I</u>
Step-by-step explanation:
<u>Step 1: Define</u>
(-4x + 4.2y) - (-7x + 3.4y)
<u>Step 2: Simplify</u>
- [Distributive Property] Distribute negative: -4x + 4.2y + 7x - 3.4y
- Combine like terms (x): 3x + 4.2y - 3.4y
- Combine like terms (y): 3x + 0.8y