5
Answer: ASet 3: Systems Of Equations (Advanced)
Explanation
PROBLEM
Solve: x + 2y = 17, 4x + 2y = 32. Find y.
Solve: x + 2y = 17, 4x + 2y = 32. Find y.
A.✓ Correct
6
B.
4
C.
7
D.
8
Detailed Explanation
Choice A is the best answer. Using elimination or substitution: y = 6
Why others are wrong:
B: 4 is incorrect because it does not satisfy the equation.
C: 7 is incorrect because it does not satisfy the equation.
D: 8 is incorrect because it does not satisfy the equation.