3
Answer: ASet 2: Systems Of Equations (Beginner)
Explanation
PROBLEM
Solve: 3x + 5y = 58, 3x + y = 26. Find y.
Solve: 3x + 5y = 58, 3x + y = 26. Find y.
A.✓ Correct
8
B.
10
C.
6
D.
7
Detailed Explanation
Choice A is the best answer. Using elimination or substitution: y = 8
Why others are wrong:
B: 10 is incorrect because it does not satisfy the equation.
C: 6 is incorrect because it does not satisfy the equation.
D: 7 is incorrect because it does not satisfy the equation.