Set 2: Systems Of Equations (Advanced)

**Choice D is the best answer.** Using elimination or substitution: x = 6

Explanation

Answer: D

PROBLEM

Solve: 5x + 2y = 54, 3x + 3y = 54. Find x.

✓ Correct

Detailed Explanation

Choice D is the best answer. Using elimination or substitution: x = 6

Why others are wrong:

A: 8 is incorrect because it does not satisfy the equation.

B: 4 is incorrect because it does not satisfy the equation.

C: 7 is incorrect because it does not satisfy the equation.