help!

-9-7x=-58

- 9 - 7 x = - 58 Add 9 to both sides

- 9 - 7 x + 9 = - 58 + 9

- 7 x = - 49 Divide both sides by - 7

- 7 x / - 7 = - 49 / - 7

x = 7

thank you so much!