anonymous
  • anonymous
Solve |2y - 2| = 15
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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myininaya
  • myininaya
2y-2=15 or 2y-2=-15 solve both for y
lilg132
  • lilg132
8.5
lilg132
  • lilg132
i thought you cant have an abosolute value that = to a negative number?

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myininaya
  • myininaya
we have |something|=positive
myininaya
  • myininaya
not |something|=negative
lilg132
  • lilg132
but you wrote or 2y-2=-15 ?
myininaya
  • myininaya
\[2y=17 => y=\frac{17}{2}\] \[2y=-13 => y=\frac{-13}{2}\] i wrote that because we have|something|=positive gives us two cases
lilg132
  • lilg132
oh ok but if it is |something| = negative then we have no soloution right?
myininaya
  • myininaya
right!
lilg132
  • lilg132
thanks for that was abit confused
myininaya
  • myininaya
tomas yes you can probably have several i know for a fact you can have two i don't think there is a limit
myininaya
  • myininaya
|f(x)|>=0 so thats why |f(x)| can not have negative output
lilg132
  • lilg132
ok thanks :)

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