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anonymous

  • one year ago

Solve the inequality 5x < 16 + x. a. x < 1/4 b. x > 1/4 c. x < 4 d. x > 4

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  1. anonymous
    • one year ago
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    Okay so do you know how to start off?

  2. anonymous
    • one year ago
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    do i divide both sides by 5?

  3. anonymous
    • one year ago
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    First you should put all of the x values on one side. Do you know how to do that?

  4. anonymous
    • one year ago
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    no i dont

  5. anonymous
    • one year ago
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    Ok. What is the x on the right side doing?

  6. anonymous
    • one year ago
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    being added to 16?

  7. anonymous
    • one year ago
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    Exactly. It's adding. So we can pass it over to the other side doing the opposite. Subtracting. So now our equation is: 5x - x < 16. Are you following?

  8. anonymous
    • one year ago
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    yes i think so

  9. anonymous
    • one year ago
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    now do i divide both sides by 5?

  10. anonymous
    • one year ago
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    First solve 5x - x. What would that be?

  11. anonymous
    • one year ago
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    just 5? the x's cancel out?

  12. anonymous
    • one year ago
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    Good try, but no. Remember that there is always an invisible 1 with an x. So 5x - 1x = 4x. So now our equation is 4x < 16. Understand?

  13. anonymous
    • one year ago
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    yes i understand i forgot about the 1

  14. anonymous
    • one year ago
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    No problem :) So what would be the next step here?

  15. anonymous
    • one year ago
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    divide both sides by 4 to get the x alone?

  16. anonymous
    • one year ago
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    Exactly!

  17. anonymous
    • one year ago
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    So what's your final answer?

  18. anonymous
    • one year ago
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    X<4

  19. anonymous
    • one year ago
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    yep! you got it girl

  20. anonymous
    • one year ago
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    thank you so much!:)

  21. anonymous
    • one year ago
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    no prob :)

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