3

Set 4: Linear Equations (Beginner)

Explanation

Answer: C

PROBLEM

Solve for x: 5x + 7 = 17

Solve for x: 5x + 7 = 17

A.

3

B.

4

C.

2

✓ Correct
D.

1

Detailed Explanation

Choice C is the best answer. Solve step by step: x = 2

Why others are wrong:
A: 3 is incorrect because it does not satisfy the equation.
B: 4 is incorrect because it does not satisfy the equation.
D: 1 is incorrect because it does not satisfy the equation.