4
Answer: ASet 2: Systems Of Equations (Beginner)
Explanation
PROBLEM
Solve: x + 3y = 16, 5x + 3y = 44. Find y.
Solve: x + 3y = 16, 5x + 3y = 44. Find y.
A.✓ Correct
3
B.
1
C.
5
D.
2
Detailed Explanation
Choice A is the best answer. Using elimination or substitution: y = 3
Why others are wrong:
B: 1 is incorrect because it does not satisfy the equation.
C: 5 is incorrect because it does not satisfy the equation.
D: 2 is incorrect because it does not satisfy the equation.