2
Answer: ASet 5: Systems Of Equations (Beginner)
Explanation
PROBLEM
Solve: 5x + 4y = 26, 2x + 4y = 20. Find y.
Solve: 5x + 4y = 26, 2x + 4y = 20. Find y.
A.✓ Correct
4
B.
2
C.
6
D.
3
Detailed Explanation
Choice A is the best answer. Using elimination or substitution: y = 4
Why others are wrong:
B: 2 is incorrect because it does not satisfy the equation.
C: 6 is incorrect because it does not satisfy the equation.
D: 3 is incorrect because it does not satisfy the equation.