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anonymous

  • one year ago

Solve for x: -3 (x + 7) = -12 A. x= 5/3, x= 19/3. B. x= -3, x= -11. C. x= -3, x= 11. D. No solution.

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  1. anonymous
    • one year ago
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    1st, divide each side by -3 Then plug some of your answer choices in to see if they work

  2. anonymous
    • one year ago
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    @mthompson440 I still don't get it.

  3. anonymous
    • one year ago
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    What do you get when you divide -12 by -3?

  4. anonymous
    • one year ago
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    @mthompson440 4.

  5. anonymous
    • one year ago
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    yes, so your new equation now looks like x+7=4 So what plus seven equals four?

  6. anonymous
    • one year ago
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    @mthompson440 -3

  7. anonymous
    • one year ago
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    yes, -3 is one of your answers. Good job. Now, what else? What number could you take seven away from and still have four?

  8. anonymous
    • one year ago
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    I'm sorry I meant what number could you take seven away from and have -3?

  9. anonymous
    • one year ago
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    @mthompson440 11?

  10. anonymous
    • one year ago
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    Yes, but think positive seven = -3 -11+7 = -3

  11. anonymous
    • one year ago
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    wow, my typing is bad

  12. anonymous
    • one year ago
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    Would it be x= -3 and x= 11?

  13. anonymous
    • one year ago
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    -11+7=4 so you answers are -3, and -11

  14. anonymous
    • one year ago
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    Thank you so much. @mthompson440

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