10

Set 3: Systems Of Equations (Intermediate)

Explanation

Answer: B

PROBLEM

Solve: x + 5y = 38, x + y = 10. Find x.

Solve: x + 5y = 38, x + y = 10. Find x.

A.

2

B.

3

✓ Correct
C.

5

D.

4

Detailed Explanation

Choice B is the best answer. Using elimination or substitution: x = 3

Why others are wrong:
A: 2 is incorrect because it does not satisfy the equation.
C: 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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