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Mathematics 16 Online
OpenStudy (anonymous):

|x| + 5 = 8

OpenStudy (anonymous):

A. {–3, 3} B. {–13} C. {13, –3} D. {–13, –3}

OpenStudy (anonymous):

okay

OpenStudy (anonymous):

god bless multiple choice

OpenStudy (anonymous):

Amen

OpenStudy (anonymous):

dont youmean subtract 5

OpenStudy (anonymous):

what do you get when you subtract \(5\) from both sides?

OpenStudy (anonymous):

3...?

OpenStudy (solomonzelman):

yes, that's the right side and on the left?

OpenStudy (anonymous):

Wait is it A?

OpenStudy (solomonzelman):

\[| ~~3~~ |~~ =~~? \]

OpenStudy (anonymous):

8-5...?

OpenStudy (solomonzelman):

udk that?

OpenStudy (anonymous):

I'm answering your question

OpenStudy (solomonzelman):

\[|x| + 5 = 8\]\[|x| + 5 \color{red} {-5}= 8\color{red} {-5}\]\[|x|=?\]

OpenStudy (anonymous):

I'm sorry but I am so so so lost.

OpenStudy (anonymous):

If anyone can answer I'll become a fan...

OpenStudy (solomonzelman):

I'll show you on a different example, OK?

OpenStudy (solomonzelman):

\[|v | +6= 13 \]\[|v | +6\color{red} {-6}= 13 \color{red} {-6}\]\[|v |=13-6\]\[|v |=7\]by definition, \[|C |=~~C~~~~and~~~-C\]So\[|v |=7~~~or~~~-7\]

OpenStudy (anonymous):

That helps... the answer for my question IS NOT A or B, correct?

OpenStudy (solomonzelman):

{a , b} means that either a or b can be the answer.

OpenStudy (anonymous):

m okay.

OpenStudy (anonymous):

is the answer:|dw:1387342566604:dw| SOrry I'm a lefty and I have a righty mouse

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