# Boss and Secretary

### Boss and Secretary

RR
##### Rebecca Ryan
Rebecca's Personal Gallery
##### Transcript
00:34
Boss and Secretary
00:52
Student 1 Molly
00:52
Student 2 Doug
00:59
OPTION A
01:07
Molly
01:08
Doug
01:10
The Boss
01:12
The Secretary
01:19
The first step to solve  11x-7=9x+3 for x, is to add 7 to both sides of  the equation.
01:23
Molly
01:23
Doug
01:23
11x-7=9x+3
01:24
+7 +7
01:29
OPTION B
01:41
Work
01:41
Explanation
01:46
Explanation
01:46
Explanation
01:46
Work
01:46
Work
01:56
The Secretary
01:58
The Boss
02:00
The first step to solve 11x-7=9x+3 for x, is to add 7 to both sides of the equation.
02:05
We add 7 to both sides because we have to combine like terms and what we do to one side of an equation we  have to do to the other side.
02:09
This is Doug's paper
02:09
Work
02:09
Explanation
02:09
11x-7=9x+3
02:10
+7 +7
02:11
We add 7 to both sides because we have to combine like terms and what we do to one side of an equation we have to do to the other side.
02:19
Hey Doug, I think you're close on  this problem. But I feel like we  should subtract 9x instead of adding it. Let's take a look and try again.
02:25
You're right Molly! Thanks for catching that and helping me!
02:27
The Boss
02:27
The Secretary
02:27
Problem 1
02:30
Problem 2
02:30
The Boss
02:30
The Secretary
02:33
Problem 3
02:33
The Boss
02:33
The Secretary
02:36
Problem 4
02:36
The Boss
02:36
The Secretary