4
Answer: CSet 3: Systems Of Equations (Intermediate)
Explanation
PROBLEM
Solve: 4x + 4y = 44, 4x + 3y = 35. Find x.
Solve: 4x + 4y = 44, 4x + 3y = 35. Find x.
A.
1
B.
4
C.✓ Correct
2
D.
3
Detailed Explanation
Choice C is the best answer. Using elimination or substitution: x = 2
Why others are wrong:
A: 1 is incorrect because it does not satisfy the equation.
B: 4 is incorrect because it does not satisfy the equation.
D: 3 is incorrect because it does not satisfy the equation.