Set 1: Systems Of Equations (Beginner)

**Choice C is the best answer.** Using elimination or substitution: x = 5

Explanation

Answer: C

PROBLEM

Solve: x + 2y = 17, 4x + 4y = 44. Find x.

✓ Correct

Detailed Explanation

Choice C is the best answer. Using elimination or substitution: x = 5

Why others are wrong:

A: 4 is incorrect because it does not satisfy the equation.

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

D: 3 is incorrect because it does not satisfy the equation.

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