7

Set 5: Systems Of Equations (Intermediate)

Explanation

Answer: B

PROBLEM

Solve: 5x + 3y = 59, 2x + 2y = 26. Find x.

Solve: 5x + 3y = 59, 2x + 2y = 26. Find x.

A.

9

B.

10

✓ Correct
C.

8

D.

11

Detailed Explanation

Choice B is the best answer. Using elimination or substitution: x = 10

Why others are wrong:
A: 9 is incorrect because it does not satisfy the equation.
C: 8 is incorrect because it does not satisfy the equation.
D: 11 is incorrect because it does not satisfy the equation.