3
Answer: CSet 5: Systems Of Equations (Beginner)
Explanation
PROBLEM
Solve: 3x + 3y = 24, 2x + 3y = 18. Find x.
Solve: 3x + 3y = 24, 2x + 3y = 18. Find x.
A.
4
B.
8
C.✓ Correct
6
D.
5
Detailed Explanation
Choice C is the best answer. Using elimination or substitution: x = 6
Why others are wrong:
A: 4 is incorrect because it does not satisfy the equation.
B: 8 is incorrect because it does not satisfy the equation.
D: 5 is incorrect because it does not satisfy the equation.