📅2026 FAFSA Deadline: June 30, 2026→
2

Set 5: Systems Of Equations (Intermediate)

Explanation

Answer: B

PROBLEM

Solve: 4x + y = 50, x + y = 20. Find y.

Solve: 4x + y = 50, x + y = 20. Find y.

A.

8

B.

10

✓ Correct
C.

9

D.

12

Detailed Explanation

Choice B is the best answer. Using elimination or substitution: y = 10

Why others are wrong:
A: 8 is incorrect because it does not satisfy the equation.
C: 9 is incorrect because it does not satisfy the equation.
D: 12 is incorrect because it does not satisfy the equation.
← PreviousNext →