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Mathematics 23 Online
OpenStudy (anonymous):

the absolute value of a number is 8 umm what? help! :)

OpenStudy (gorv):

post the full Q

OpenStudy (anonymous):

two times the absolute value of a number is 8

OpenStudy (gorv):

let the number is x 2times = 2x

OpenStudy (gorv):

this value = 8 2x=8 divide both side by 2 x=4

OpenStudy (anonymous):

ohh true!

OpenStudy (gorv):

yeah

OpenStudy (anonymous):

ty!

OpenStudy (gorv):

welcome:)

OpenStudy (anonymous):

I have one last question @gorv

OpenStudy (anonymous):

let the no. be x, then \[2 \left| x \right|=8,\left| x \right|=\frac{ 8 }{ 2 }=4,x=\pm4\]

OpenStudy (anonymous):

how about , five less than the product of 2 and the absolute value of a number is 3.

OpenStudy (gorv):

2*|x|-5=3 add 5 on both side 2|x|=8 divide both side by 2 |x|=2 \[x=\pm2\]

OpenStudy (anonymous):

is that x= positive 2 or just regular 2?

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