Noah says that 9x−2x+4xis equivalent to 3x, because the subtraction sign tells us to subtract everything that comes after 9x. Elena says that 9x−2x+4xis equivalent to 11x, because the subtraction only

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asked Mar 13, 2022 143k views

4 votes

Noah says that 9x−2x+4xis equivalent to 3x, because the subtraction sign tells us to subtract everything that comes after 9x.

Elena says that 9x−2x+4xis equivalent to 11x, because the subtraction only applies to 2x.

Who is correct? And why are they correct?

Group of answer choices

Elena

Noah

Mathematics
high-school

Twodayslate asked

by Twodayslate

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2 Answers

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11x and Elena is correct. Correct me if i’m wrong.

Umeboshi answered Mar 14, 2022

by Umeboshi

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5 votes

11x - Elena is correct, addition and subtraction are applied in the order that they appear.

Gretchen answered Mar 19, 2022

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