7

Set 3: Linear Equations (Beginner)

Explanation

Answer: C

PROBLEM

Solve for x: 5x + 7 = 52

Solve for x: 5x + 7 = 52

A.

10

B.

18

C.

9

✓ Correct
D.

11

Detailed Explanation

Choice C is the best answer. Solve step by step: x = 9

Why others are wrong:
A: 10 is incorrect because it does not satisfy the equation.
B: 18 is incorrect because it does not satisfy the equation.
D: 11 is incorrect because it does not satisfy the equation.