Given that |d - 7| = 3d, what is the value of d?

Correct answer marked below

A

-7/4

B

-1/4

C

1/4

D

5/4

7/4

Correct

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K

KrishJan 22, 2024

Great!

T

TeddyOct 3, 2024

thanks!

What this question tests

Your ability to solve absolute-value equations and inequalities by considering both cases.

Dropping the absolute value bars entirely or missing that |x| = k has two solutions when k > 0.

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