SOLUTION: -2x < x + 1 < 7
the solution is {xlx??<x<??}
Can someone explain this to me again.
Algebra.Com
Question 138886: -2x < x + 1 < 7
the solution is {xlx??
Can someone explain this to me again.
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
-2x < x + 1 < 7
.
-2x
-2x-x<1
-3x<1
x>-1/3 reverse the inequality sign when mult. or div. by a negative number.
.
x+1<7
x<6
.
-1/3 < x < 6
.
Ed
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