Question

Explain how to solve the equation 9X + 1 - 7X - 5 = -20 in 3- steps.

Answer 1

x = -1

Explanation:

9x + 1 - 7x - 5 = (-20) To solve this equation in three steps we follow the below process.

First step: Add like terms,

1. 16x - 4 = (-20)

Second step: Add 4 to both sides,

2. 16x = (-16)

Third step: Divide both sides by 16,

3. x = (-1)