anonymous
  • anonymous
Solve and graph: 62 - 18x < 20
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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phi
  • phi
with inequalities you have to be careful if you switch the sign of x. the safest way to solve this is add 18x to both sides. subtract 20 from both sides.
phi
  • phi
you can double check your answer but substituting in a number you think should work. If x< -2.3 is an answer, then x= -3 should work. But notice that 62 - 18*-3 is not < 20
anonymous
  • anonymous
thanks, guys :)

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phi
  • phi
Do you have the equation now? Can you graph it?
phi
  • phi
@kymber you should fix your answer.
kymber
  • kymber
|dw:1332530245826:dw| Sorry, I accidentally dropped the negative sign! This one works, I checked it with many numbers.
phi
  • phi
Yes much better. But to be even better: \[ \frac{42}{18} = \frac{7}{3} \text{ or } 2\frac{1}{3} = 2.3333... \] not 2.3 which is slightly smaller. btw, you can delete your previous post, so others don't get confused about the answer.

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