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9

Set 2: Systems Of Equations (Beginner)

Explanation

Answer: B

PROBLEM

Solve: x + 5y = 17, 3x + y = 9. Find x.

Solve: x + 5y = 17, 3x + y = 9. Find x.

A.

3

B.

2

✓ Correct
C.

1

D.

4

Detailed Explanation

Choice B is the best answer. Using elimination or substitution: x = 2

Why others are wrong:
A: 3 is incorrect because it does not satisfy the equation.
C: 1 is incorrect because it does not satisfy the equation.
D: 4 is incorrect because it does not satisfy the equation.
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