avai70178
  • avai70178
How do I solve this absolute value equation? -10-|10n+8|=-78
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
-10-(10n+8)=-78 and by switching the signs of everything -[-10-(10n+8)]=-78
avai70178
  • avai70178
okay but what happens with the negative in front of the absolute value?
anonymous
  • anonymous
I mean switching the signs of the side with variable in it.

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zepdrix
  • zepdrix
\[\large\rm -10-|10n+8|=-78\]Should probably add 10 to each side before dealing with the signs that the absolute value gives us :)\[\large\rm -|10n+8|=-68\]
anonymous
  • anonymous
You make it into parentheses, so just ignore the absolute value Negative times negative makes it positive
avai70178
  • avai70178
oh okay i see. Thank you so much! :)
anonymous
  • anonymous
Did you get your first and second solution?
avai70178
  • avai70178
not yet one sec
avai70178
  • avai70178
10n+8=+or- 68 right so far?
anonymous
  • anonymous
Yea that is correct.
avai70178
  • avai70178
i got n=-38/5 and n=6
anonymous
  • anonymous
the -68 involves a fraction.
anonymous
  • anonymous
Yea, I got that too.
anonymous
  • anonymous
Nice job!
avai70178
  • avai70178
Thanks! You really helped! :D
anonymous
  • anonymous
No problem!

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