8
Answer: ASet 3: Systems Of Equations (Intermediate)
Explanation
PROBLEM
Solve: 5x + y = 13, 5x + 5y = 25. Find x.
Solve: 5x + y = 13, 5x + 5y = 25. Find x.
A.✓ Correct
2
B.
1
C.
4
D.
3
Detailed Explanation
Choice A is the best answer. Using elimination or substitution: x = 2
Why others are wrong:
B: 1 is incorrect because it does not satisfy the equation.
C: 4 is incorrect because it does not satisfy the equation.
D: 3 is incorrect because it does not satisfy the equation.