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1

Set 5: Systems Of Equations (Intermediate)

Explanation

Answer: D

PROBLEM

Solve: x + 5y = 36, 3x + y = 24. Find x.

Solve: x + 5y = 36, 3x + y = 24. Find x.

A.

4

B.

8

C.

7

D.

6

✓ Correct

Detailed Explanation

Choice D is the best answer. Using elimination or substitution: x = 6

Why others are wrong:
A: 4 is incorrect because it does not satisfy the equation.
B: 8 is incorrect because it does not satisfy the equation.
C: 7 is incorrect because it does not satisfy the equation.
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