Algebra 1 Unit 1 Lesson 9 Parenthesis And Order Of Operations, Part 3

This is just a few minutes of a complete course.

[zacharyetter]

On some of these lessons, you cut the video way to short. PLEASE re do those videos so I can break this down better. I'm missing key information when you are explaining how this works and then all of a sudden the video ends and goes to the next lesson, without finishing the prior lesson. Please and thank you!

[caron-leeratima]

so from my working out before the video cuts out the answer is 40