A) |9+x|=2x b) |x+6|=2x+9

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Thibault Falise asked Oct 17, 2022

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A) |9+x|=2x
b) |x+6|=2x+9

Mathematics
high-school

Thibault Falise asked Oct 17, 2022

by Thibault Falise

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1 Answer

20 votes

Answer:

a) 9

b) -3

Explanation:

|9+x|=2x

9 + x = 2x

- x -x

---------------

9 = x

|x+6|=2x+9

x +6 = 2x +9

-x -x

6 = x + 9

-9 -9

--------------

-3 = x

Eric Zheng answered Oct 22, 2022

by Eric Zheng

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