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CAHSEE Math 4.2 Algebra I 184 Views


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Algebra I Drill 4, Problem 2. Which of the following points is on the line 5 x - 2 y = 30?

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Transcript

00:03

Shmoop, there it is...

00:05

Which of the following points is on the line 5x - 2y = 30?

00:09

And here are the potential answers…

00:14

So… how do we solve this problem?

00:15

We can just pop in the numbers given to us and see if we get the desired result.

00:20

We’ll start with A. We have 5 times 4, which is 20… minus 2 times negative 5, which is

00:26

negative 10… so 20 minus negative 10 is… 30. And uh – yeah. Wow that was fast.

00:34

Our answer is A. As in, "Already done."

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