Biancao9o3o12
26. What are the solutions of |2x -1|< 5?
HEEEEEEEEELPPPPPP !
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KonradZuse
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do you know how to start this off?
Biancao9o3o12
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No I don't
KonradZuse
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Ok wel since we have the absolute vlaues || we want to do |2x -1|< 5 snf |2x -1|< -5
KonradZuse
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wops sorry.
Biancao9o3o12
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?
mathstudent55
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When you have an absolute value equation in which you have the absolute value of an expression is less than a number, you change it like this:
|expression| < number
negative of the number < expression < number
In your case this wuill be:
-5 < 2x - 1 < 5
Biancao9o3o12
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that's the answer ?
KonradZuse
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2x -1< 5 and 2x -1< -5
Biancao9o3o12
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@mathstudent55
KonradZuse
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No, it's not, it's the steps to get the answer...
mathstudent55
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Add 1 to all three sides, then divide all three sides by 2
Biancao9o3o12
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I just need the answer, or easy steps am almost finished I only need 5 more answers to be done
mathstudent55
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-5 < 2x - 1 < 5
Add 1 to all three parts:
-5 + 1 < 2x < 5 + 1
-4 < 2x < 6
Divide all three parts by 2
-2 < x < 3
KonradZuse
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We don't give answers here, we help students.
Biancao9o3o12
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@mathstudent55 Thanks ! Thats much easier then this guy @KonradZuse
KonradZuse
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You should give this fine gentleman a medal now.
Biancao9o3o12
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Um no -.-