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3

Set 4: Systems Of Equations (Intermediate)

Explanation

Answer: C

PROBLEM

Solve: 2x + 4y = 30, 2x + 5y = 33. Find y.

Solve: 2x + 4y = 30, 2x + 5y = 33. Find y.

A.

4

B.

2

C.

3

✓ Correct
D.

1

Detailed Explanation

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

Why others are wrong:
A: 4 is incorrect because it does not satisfy the equation.
B: 2 is incorrect because it does not satisfy the equation.
D: 1 is incorrect because it does not satisfy the equation.
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