ShmoopTube
Where Monty Python meets your 10th grade teacher.
Search Thousands of Shmoop Videos
CAHSEE Math Videos 210 videos
CAHSEE Math: Algebra and Functions Drill 5, Problem 3. Solve the equation.
Statistics, Data, and Probability I: Drill Set 3, Problem 2. Which day had the greatest percentage increase in time spent from the previous day?
Number Sense: Drill Set 2, Problem 5. By what percent did his percentage grade increase from one test to the other?
CAHSEE Math 6.2 Algebra and Functions 231 Views
Share It!
Description:
Algebra and Functions: Drill Set 6, Problem 2. Solve the inequality.
Algebra and Functions: Drill Set 6, Problem 2. Solve the inequality.
Transcript
- 00:03
And here's your shmoop du jour.
- 00:05
Solve the inequality 3x - 5 < x + 7 for x.
- 00:10
And here are the potential answers...
- 00:12
Before we spoil the ending, hit pause and try it yourself.
- 00:17
So now we have TWO x's to manage...
Full Transcript
- 00:19
...and a "greater than" thingy...
- 00:21
...otherwise, the algebra is pretty straightforward.
- 00:24
Start by adding 5 to both sides and we get 3x is less than x plus 12.
- 00:29
Now let's subtract an x from both sides and we get 2x is less than 12.
- 00:34
Divide both sides by 2 and we have x is less than 6 - the answer is D.
- 00:40
We did a pretty good job managing that problem, if we do say so ourselves.
Related Videos
CAHSEE Math: Algebra and Functions Drill 5, Problem 3. Solve the equation.
You don't want to leave a bunch of unsolved rational equations sitting around.
Solving inequalities using blob fish? Yes, please!
SAT Math: Numbers and Operations Drill 1, Problem 2. If the masterpiece will be worth $45,055 in five years, what is its worth now?
