4

Set 5: Linear Equations (Beginner)

Explanation

Answer: C

PROBLEM

Solve for x: 3x + 2 = 23

Solve for x: 3x + 2 = 23

A.

5

B.

6

C.

7

✓ Correct
D.

9

Detailed Explanation

Choice C is the best answer. Solve step by step: x = 7

Why others are wrong:
A: 5 is incorrect because it does not satisfy the equation.
B: 6 is incorrect because it does not satisfy the equation.
D: 9 is incorrect because it does not satisfy the equation.