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Sagot :
Answer:
D. (1/4, -2)
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
- Left to Right
Equality Properties
Algebra I
- Solving systems of equations using substitution/elimination
Step-by-step explanation:
Step 1: Define Systems
y = -8x
4x - y = 3
Step 2: Solve for x
Substitution
- Substitute in y: 4x - (-8x) = 3
- Simplify: 4x + 8x = 3
- Combine like terms: 12x = 3
- Isolate x: x = 3/12
- Simplify: x = 1/4
Step 3: Solve for y
- Define equation: y = -8x
- Substitute in x: y = -8(1/4)
- Multiply: y = -2
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