SOLUTION: -8 is less than or equal to 3r-1 is less than or equal to 1

Question 668104: -8 is less than or equal to 3r-1 is less than or equal to 1
Found 2 solutions by stanbon, okpuente:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
-8 is less than or equal to 3r-1 is less than or equal to 1
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-8 <= 3r-1 <= 1
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Add 1 along the line to get:
-7 <= 3r <= 2
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Divide by 3 along the line:
-7/3 <= r <= 2/3
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Cheers,
Stan H.
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Answer by okpuente(1) (Show Source): You can put this solution on YOUR website!
-8<= 3r -1<=1
+1 +1 +1
-7x <=3r <=2
-7x/3 3r/3 2/3
-7/3<= r <=2/3
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