SOLUTION: Solve: -3 less than or equal to 2x-5/7 < 9 I have a test soon and can't figure this one out. Please help.
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Question 384677: Solve: -3 less than or equal to 2x-5/7 < 9 I have a test soon and can't figure this one out. Please help.
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
-3 <= 2x - 5/7 < 9
-21<=14x-5<63 Multiply each side by 7
.
-21<=14x-5
-16<=14x
x>= -8/7
.
14x-5<63
14x<68
x<34/7
.
-8/7<=x<34/7
.
Ed
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