ShmoopTube
Where Monty Python meets your 10th grade teacher.
Search Thousands of Shmoop Videos
Basic Algebra Videos 43 videos
ACT Math: Pre-Algebra Drill 2, Problem 3. Which of the following numbers is smallest?
ACT Math: Pre-Algebra Drill 2, Problem 4. Which of the following numbers is largest?
SAT Math: Algebra and Functions Drill 1, Problem 2. Based on the data in the table, what is the maximum heart rate for the average 22-year-old?
ACT Math 3.2 Elementary Algebra 547 Views
Share It!
Description:
ACT Math: Elementary Algebra Drill 3, Problem 2. Solve for z, when x = 2 and y = 5.
Transcript
- 00:03
Here's an unshmoopy question you just might find on an exam somewhere in life...
- 00:06
Solve for z, when x = 2 and y = 5. 3x + 4y = z
- 00:12
And here are the potential answers...
- 00:17
OK so what is this question asking?
- 00:18
Well it's really a plug and play deal.
Full Transcript
- 00:21
Just substitute 2 for x and 5 for y and we get to the promised land.
- 00:28
We have 3x plus 4y, which becomes 3 times 2 plus 4 times 5 or... 6 plus 20...
- 00:35
...which totals 26.
- 00:36
E. Done.
Related Videos
ACT Math: Plane Geometry Drill 3, Problem 1. What is the area of the trapezoid shape in the video?
ACT Math: Coordinate Geometry Drill 1, Problem 1. Which inequality is expressed by the number line?
ACT Math: Intermediate Algebra: Drill 3, Problem 1. Find the fifth number in the series.
You don't want to leave a bunch of unsolved rational equations sitting around.
Solving inequalities using blob fish? Yes, please!