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ACT Math 7.1 Pre-Algebra 407 Views


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Description:

ACT Math: Pre-Algebra Drill 7, Problem 1. Solve for x.

Language:
English Language

Transcript

00:03

Try this shmoop on for size...

00:06

Solve for x: 2x minus 1 over 3 equals negative 4x.

00:10

And here are the potential answers...

00:14

OK so what is this question asking?

00:16

Well, it's just a fancy fraction question.

00:19

First things first -- let's get rid of the fraction part.

00:22

Multiply both sides by 3 to get 2x minus 1 equals negative 12 x

00:27

Add 12x to both sides to get 14x minus 1 is zero.

00:33

Add 1 to both sides to get 14x equals 1

00:36

Divide both sides by 14 to get x equals 1 over 14.

00:40

Answer D.

00:42

As in, "Debonair."

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