ShmoopTube
Where Monty Python meets your 10th grade teacher.
Search Thousands of Shmoop Videos
Systems of Equations Videos 73 videos
How do you solve a system of linear inequalities? Aw, man...and we thought solving a problem like Maria was tough...
Please note: If starting your own petting zoo, Shmoop recommends you stock it with animals that aren’t quite so likely to bite your hand off. Tha...
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!