SOLUTION: -3<2x+1<5 -3+-1<2x+<5-1 -4<2x<4 -4/2=-2 and 4/2=2 -2<x<2 Do I keep going? I keep coming up with -2, and 2 but the answer is 0 according to the answer key. I am lost.

Question 895022: -3<2x+1<5
-3+-1<2x+<5-1
-4<2x<4
-4/2=-2 and 4/2=2
-2 Do I keep going?

I keep coming up with -2, and 2 but the answer is 0 according to the answer key. I am lost.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
-3<2x+1<5
-3+-1<2x+<5-1
-4<2x<4
-4/2=-2 and 4/2=2
-2 Do I keep going?

I keep coming up with -2, and 2 but the answer is 0 according to the answer key. I am lost.
===================
-2 Do I keep going?
---
No, x is isolated, and your answer is correct.
The answer key is wrong.
While x = 0 does fit, so does x = -1 and x = +1, and an infinite number of other values of x between -2 and +2.
Your answer encompasses all of the values of x that fit.
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