2
Answer: CSet 1: Systems Of Equations (Intermediate)
Explanation
PROBLEM
Solve: 2x + 2y = 22, x + 2y = 15. Find y.
Solve: 2x + 2y = 22, x + 2y = 15. Find y.
A.
5
B.
6
C.✓ Correct
4
D.
3
Detailed Explanation
Choice C is the best answer. Using elimination or substitution: y = 4
Why others are wrong:
A: 5 is incorrect because it does not satisfy the equation.
B: 6 is incorrect because it does not satisfy the equation.
D: 3 is incorrect because it does not satisfy the equation.