Set 2: Systems Of Equations (Beginner)

**Choice B is the best answer.** Using elimination or substitution: x = 7

Explanation

Answer: B

PROBLEM

Solve: 5x + 3y = 59, 3x + 3y = 45. Find x.

✓ Correct

Detailed Explanation

Choice B is the best answer. Using elimination or substitution: x = 7

Why others are wrong:

A: 5 is incorrect because it does not satisfy the equation.

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

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