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Mathematics 18 Online
OpenStudy (anonymous):

|x| / -5 = -20

OpenStudy (anonymous):

We want to eventually isolate that x on the left. First, get rid of the -5. How do we get rid of that -5?

OpenStudy (anonymous):

Do something to both sides of the equation. What do we do to get rid of the -5?

OpenStudy (anonymous):

divide it by -5

OpenStudy (anonymous):

No. The -5 is in the denominator...so we want to multiply both sides by -5

OpenStudy (anonymous):

sot we divide -20 / -5 ?

OpenStudy (anonymous):

so*

OpenStudy (anonymous):

x = -4 or 4

OpenStudy (anonymous):

No no no. sorry

OpenStudy (anonymous):

that isn't any option on my question...

OpenStudy (anonymous):

lots of typos..hehe. \[\left| x \right| = 100\]

OpenStudy (anonymous):

A. –100 or 100 B. –4 or 4 C. 100 D. No solution

OpenStudy (anonymous):

so x = 100 or x = -100

OpenStudy (anonymous):

yeah, A.

OpenStudy (anonymous):

yes..i hope the process makes sense to you. let me know if you have questions about how we got to the end.

OpenStudy (anonymous):

ok thank you :)

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