Set 5: Systems Of Equations (Intermediate)

**Choice D is the best answer.** Using elimination or substitution: y = 8

Explanation

Answer: D

PROBLEM

Solve: 4x + y = 40, x + 5y = 48. Find y.

✓ Correct

Detailed Explanation

Choice D is the best answer. Using elimination or substitution: y = 8

Why others are wrong:

A: 6 is incorrect because it does not satisfy the equation.

B: 9 is incorrect because it does not satisfy the equation.

C: 7 is incorrect because it does not satisfy the equation.

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