Question

Gwendolyn is asked to solve the equation –4(x – 3) = 20. She shows the work below and states that the solution is x = –8. –4(x – 3) = 20 –4x + 12 = 20 –4x = 32 x = –8 Unfortunately, Gwendolyn's work is flawed. Explain the flaw in Gwendolyn's work

Answer 1

Answer:

Step-by-step explanation:

the flaw starts with

- 4x + 12 = 20

- 4x = 20 - 12 and not 20 + 12

- 4x = 8

x = - 2.