What does the x in (4.8x + 15.5) + (2.1x - 12.2) mean?

Question

Mathematics

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21 March, 19:10

What does the x in (4.8x + 15.5) + (2.1x - 12.2) mean?

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Answers (2)

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Lauryn Landry · Answer 1

Well,

In an open sentence, there are usually placeholders to represent the unknown values.

So the x in (4.8x + 15.5) + (2.1x - 12.2) means that that value is unknown.

Clara Ferrell · Answer 2

X is known as a variable. That is, the the unknown number you are looking for.