9

Set 1: Systems Of Equations (Beginner)

Explanation

Answer: B

PROBLEM

Solve: 2x + 4y = 24, 3x + 3y = 27. Find x.

Solve: 2x + 4y = 24, 3x + 3y = 27. Find x.

A.

7

B.

6

✓ Correct
C.

5

D.

4

Detailed Explanation

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

Why others are wrong:
A: 7 is incorrect because it does not satisfy the equation.
C: 5 is incorrect because it does not satisfy the equation.
D: 4 is incorrect because it does not satisfy the equation.