Set 1: Linear Equations (Advanced)

**Choice B is the best answer.** Solve step by step: x = 19

Explanation

Answer: B

PROBLEM

Solve for x: 4(x - 5) = 56

✓ Correct

Detailed Explanation

Choice B is the best answer. Solve step by step: x = 19

Why others are wrong:

A: 20 is incorrect because it does not satisfy the equation.

C: 21 is incorrect because it does not satisfy the equation.

D: 17 is incorrect because it does not satisfy the equation.