1
Answer: BSet 2: Systems Of Equations (Beginner)
Explanation
PROBLEM
Solve: 4x + 5y = 62, 3x + 5y = 54. Find y.
Solve: 4x + 5y = 62, 3x + 5y = 54. Find y.
A.
5
B.✓ Correct
6
C.
7
D.
8
Detailed Explanation
Choice B is the best answer. Using elimination or substitution: y = 6
Why others are wrong:
A: 5 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.