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alurahenderson

  • one year ago

Which answer best describes the solution to the equation 5z + 4 = 4 + 5z? A. one solution B. no solution C. an infinite number of solutions D. z = 20

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  1. pooja195
    • one year ago
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    We are isolating z

  2. pooja195
    • one year ago
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    Start by subtrcting 4 from both sides

  3. alurahenderson
    • one year ago
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    -1

  4. pooja195
    • one year ago
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    4-4 is not -1

  5. pooja195
    • one year ago
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    Your solution would be 0=0 so what would the answer be?

  6. pooja195
    • one year ago
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    REMEBER when all the numbers are the same they will cancel out.

  7. alurahenderson
    • one year ago
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    Sorry I was subtracting from the 5 and I accidentally put a negative sign so 0

  8. anonymous
    • one year ago
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    hi

  9. alurahenderson
    • one year ago
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    Hi

  10. pooja195
    • one year ago
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    ???

  11. anonymous
    • one year ago
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    what??

  12. alurahenderson
    • one year ago
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    0

  13. pooja195
    • one year ago
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    Ok but how many solutions?

  14. alurahenderson
    • one year ago
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    One?

  15. anonymous
    • one year ago
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    bye

  16. pooja195
    • one year ago
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    hmmm no 0=0

  17. pooja195
    • one year ago
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    this means that any number we plug in place of x we will get 0=0

  18. alurahenderson
    • one year ago
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    Oh I put 0 earlier

  19. alurahenderson
    • one year ago
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    Thank you!

  20. pooja195
    • one year ago
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    Thats right but this would mean there are infinte solutions :)

  21. alurahenderson
    • one year ago
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    Oh so it's C

  22. pooja195
    • one year ago
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    yep :)

  23. alurahenderson
    • one year ago
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    Thank you!

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