9

Set 5: Systems Of Equations (Beginner)

Explanation

Answer: C

PROBLEM

Solve: 2x + 4y = 32, 2x + 5y = 37. Find y.

Solve: 2x + 4y = 32, 2x + 5y = 37. Find y.

A.

7

B.

3

C.

5

✓ Correct
D.

4

Detailed Explanation

Choice C is the best answer. Using elimination or substitution: y = 5

Why others are wrong:
A: 7 is incorrect because it does not satisfy the equation.
B: 3 is incorrect because it does not satisfy the equation.
D: 4 is incorrect because it does not satisfy the equation.