amberlovvesyou
Can you help me solve this problem,and Explain it to me (:
-2/5x - 9 < 9/10
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ajprincess
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Is this ur question?
\[-\frac{ 2 }{ 5 }x-9<\frac{ 9 }{ 10}\]
amberlovvesyou
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Yes :)
jiteshmeghwal9
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\[\frac{-2(x)}{5}-9<\frac{9}{10}\]
jiteshmeghwal9
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\[{-2x-45\over5}<\frac{9}{10}\]
jiteshmeghwal9
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\[10(-2x-45)<9(5)\]
jiteshmeghwal9
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\[-20x-450<45\]
jiteshmeghwal9
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Now add 450 both sides & then divide -20 both sides :)
ajprincess
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Nw to solve this inequality u hav to isolate x.
To do that plz perform the following steps.
1.Add 9 to both sides.
2.Multiply both sides by 5.
3.Divide by -2 both sides.
When u divide by a negative number the inequality sign flips.
see if u can do it:)
jiteshmeghwal9
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The last point of @ajprincess is very correct in inequality if we divide a negative number the inequality sign flips :)
amberlovvesyou
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x > -99/4 ?
ajprincess
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yup perfect:)
amberlovvesyou
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:D yay! Thanks :)
ajprincess
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welcome:) nd gud work:)