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4

Set 1: Systems Of Equations (Beginner)

Explanation

Answer: D

PROBLEM

Solve: 3x + 2y = 16, 3x + y = 11. Find y.

Solve: 3x + 2y = 16, 3x + y = 11. Find y.

A.

7

B.

4

C.

6

D.

5

✓ Correct

Detailed Explanation

Choice D 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: 4 is incorrect because it does not satisfy the equation.
C: 6 is incorrect because it does not satisfy the equation.
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