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2

Set 4: Systems Of Equations (Beginner)

Explanation

Answer: C

PROBLEM

Solve: 3x + 3y = 27, 2x + 5y = 27. Find y.

Solve: 3x + 3y = 27, 2x + 5y = 27. Find y.

A.

2

B.

5

C.

3

✓ Correct
D.

4

Detailed Explanation

Choice C is the best answer. Using elimination or substitution: y = 3

Why others are wrong:
A: 2 is incorrect because it does not satisfy the equation.
B: 5 is incorrect because it does not satisfy the equation.
D: 4 is incorrect because it does not satisfy the equation.
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