7x -3x = 20? I do not know what this is…

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asked Sep 28, 2022 62.0k views

3 votes

7x -3x = 20?

I do not know what this is…

Mathematics
high-school

Ben Campbell asked

by Ben Campbell

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2 Answers

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Answer:

7x-2x=20

6x=20

6x÷6=20÷6

x=16.67

Martin Tilsted answered Sep 29, 2022

by Martin Tilsted

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2 votes

7x-3x = 20

Simplify by subtracting:

4x = 20

Divide both sides by 4:

X = 5

Bhzag answered Oct 3, 2022

by Bhzag

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