3
Answer: BSet 4: Systems Of Equations (Beginner)
Explanation
PROBLEM
Solve: 2x + 3y = 12, 2x + 2y = 10. Find y.
Solve: 2x + 3y = 12, 2x + 2y = 10. Find y.
A.
3
B.✓ Correct
2
C.
4
D.
1
Detailed Explanation
Choice B is the best answer. Using elimination or substitution: y = 2
Why others are wrong:
A: 3 is incorrect because it does not satisfy the equation.
C: 4 is incorrect because it does not satisfy the equation.
D: 1 is incorrect because it does not satisfy the equation.