7
Answer: BSet 5: Systems Of Equations (Intermediate)
Explanation
PROBLEM
Solve: 5x + 3y = 59, 2x + 2y = 26. Find x.
Solve: 5x + 3y = 59, 2x + 2y = 26. Find x.
A.
9
B.✓ Correct
10
C.
8
D.
11
Detailed Explanation
Choice B is the best answer. Using elimination or substitution: x = 10
Why others are wrong:
A: 9 is incorrect because it does not satisfy the equation.
C: 8 is incorrect because it does not satisfy the equation.
D: 11 is incorrect because it does not satisfy the equation.