Video: Evaluating Algebraic Expressions after Solving One-Step Linear Equations

If 6𝑥 = 54, what is the value of 𝑥/3?

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Video Transcript

If six 𝑥 equals 54, what is the value of 𝑥 over three?

When we have the six and 𝑥 together, what it’s saying is, six multiplied by 𝑥 equals 54. Now we need to think what times six equals 54. We know that six times nine equals 54. This means that nine is our 𝑥 value, but we’re not finished with this question yet.

The question wants to know what is the value of 𝑥 over three. Once we plug in the nine, we recognize this as a fraction of nine over three, and nine-thirds can be simplified to three. Nine over three is equal to three.

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