anonymous
  • anonymous
Medal and fan ASAP |2x-1|-4=3
Mathematics
schrodinger
  • schrodinger
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anonymous
  • anonymous
help me understand?
pooja195
  • pooja195
add the 4 to both sides
pooja195
  • pooja195
That way it will be easier to solve this and we can isolate the statement from any numbers out of the bars

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anonymous
  • anonymous
|2x-1|=7
anonymous
  • anonymous
then?
pooja195
  • pooja195
now set up 2 equations... do you know what the equations would look like/
anonymous
  • anonymous
no?
pooja195
  • pooja195
We know either \[\huge ~\rm~2x−1=7 ~~~~~~or ~~~~~~2x−1=−7\]
anonymous
  • anonymous
ok.. next?
pooja195
  • pooja195
solve and you will end up with TWO solutuions
anonymous
  • anonymous
how? Its just absolute value? the answer is always positive...
anonymous
  • anonymous
i just need step by step how to
anonymous
  • anonymous
next???
pooja195
  • pooja195
We need to solve the equations now. We set up to equations to show that \[\huge~\rm~|2x-1|\] either equations positive 7 or negative 7
anonymous
  • anonymous
ok.. next?
pooja195
  • pooja195
We know either \[\huge ~\rm~2x−1=7 ~~~~~~or ~~~~~~2x−1=−7\]
anonymous
  • anonymous
ok.. next
pooja195
  • pooja195
solve
anonymous
  • anonymous
x=-3 or x=4
anonymous
  • anonymous
|2x-1|+4=3
anonymous
  • anonymous
2x-1=-1 ??
anonymous
  • anonymous
not solvable!!?
pooja195
  • pooja195
\(\color{blue}{\text{Originally Posted by}}\) @Adrianna765 x=-3 or x=4 \(\color{blue}{\text{End of Quote}}\) this is right
anonymous
  • anonymous
ok.. thanks!!!

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