📅2026 FAFSA Deadline: June 30, 2026→
1

Set 3: Systems Of Equations (Beginner)

Explanation

Answer: D

PROBLEM

Solve: x + 3y = 12, 2x + 4y = 18. Find x.

Solve: x + 3y = 12, 2x + 4y = 18. Find x.

A.

5

B.

4

C.

1

D.

3

✓ Correct

Detailed Explanation

Choice D is the best answer. Using elimination or substitution: x = 3

Why others are wrong:
A: 5 is incorrect because it does not satisfy the equation.
B: 4 is incorrect because it does not satisfy the equation.
C: 1 is incorrect because it does not satisfy the equation.
Next →