anonymous
  • anonymous
Solve |2x - 5| = 4. {x | x = -4.5 or x = 4.5} {x | x = 0.5 or x = 4.5} {x | 0.5 < x < 4.5}
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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bagelini
  • bagelini
are these all different problems? or are you telling us what we replace "x" with?
anonymous
  • anonymous
|4| does thtat equal four or -4
bagelini
  • bagelini
When something has the absolute value brackets: \[\left| \right|\] it is talking about how far away the number is from zero on a number line.

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anonymous
  • anonymous
so -4
bagelini
  • bagelini
so in your case, \[\left| -4 \right|\] would still be +4 because it is four points away from zero on a number line. does that make sense?
anonymous
  • anonymous
i plugged a and b in and they both dont work so i think its c can you check??
anonymous
  • anonymous
its b or c actually im not shure
mathstudent55
  • mathstudent55
To solve an absolute value equation like yours, solve the compound equation below: 2x - 5 = 4 or 2x - 5 = -4
mathstudent55
  • mathstudent55
Solve each simple equation and keep the word "or" between solutions. That is you final answer.
anonymous
  • anonymous
isnt ther no soulution to thta tho
mathstudent55
  • mathstudent55
Can you solve 2x - 5 = 4?
anonymous
  • anonymous
4.5
anonymous
  • anonymous
so its a ????
mathstudent55
  • mathstudent55
You are correct. x = 4.5 for the left equation. Now do the right equation. 2x - 5 = 4 or 2x - 5 = -4 Add 5 to both sides of both equations: 2x = 9 or 2x = 1 Divide both sides of both equations by 2. x = 4.5 or x = 0.5
anonymous
  • anonymous
so its c
mathstudent55
  • mathstudent55
No. This problem has no greater than or less than. It is strictly an equation. The answer is b.

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