9

Set 4: Linear Equations (Intermediate)

Explanation

Answer: A

PROBLEM

Solve for x: 3(x - 3) = 36

Solve for x: 3(x - 3) = 36

A.

15

✓ Correct
B.

14

C.

17

D.

13

Detailed Explanation

Choice A is the best answer. Solve step by step: x = 15

Why others are wrong:
B: 14 is incorrect because it does not satisfy the equation.
C: 17 is incorrect because it does not satisfy the equation.
D: 13 is incorrect because it does not satisfy the equation.