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alurahenderson

  • one year ago

What is the solution to the equation? 2q + 18 = –5q – 3 A. q = –5 B. q = –3 C. q = 3 D. q = 5

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  1. pooja195
    • one year ago
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    Isolate q

  2. pooja195
    • one year ago
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    Start by combining the LIKE TERMS

  3. alurahenderson
    • one year ago
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    20q?

  4. pooja195
    • one year ago
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    hmmm not quite We want to combine like terms this would mean subtracting and adding from the other side of the equation

  5. pooja195
    • one year ago
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    Step 1: Add 5q to both sides. 2q+18+5q=−5q−3+5q

  6. alurahenderson
    • one year ago
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    Oh so -2 on both sides?

  7. alurahenderson
    • one year ago
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    I didn't see that

  8. pooja195
    • one year ago
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    You can also do it that way :)

  9. alurahenderson
    • one year ago
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    22q and 8q?

  10. pooja195
    • one year ago
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    \[\huge ~2q+18+5q=−5q−3+5q\]

  11. pooja195
    • one year ago
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    whats 5+2=? whats -5+5?

  12. alurahenderson
    • one year ago
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    7 and 0

  13. pooja195
    • one year ago
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    Good so now we have \[\huge~7q+18=-3\] any ideas on what the next step may be?

  14. alurahenderson
    • one year ago
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    -3 on both sides?

  15. pooja195
    • one year ago
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    hmm no we are isolating q so subtract 18

  16. pooja195
    • one year ago
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    From both sides

  17. alurahenderson
    • one year ago
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    I was gonna say -18 but I didn't think so

  18. pooja195
    • one year ago
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    Well you were right :) -3-18=?

  19. alurahenderson
    • one year ago
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    0

  20. alurahenderson
    • one year ago
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    And -11

  21. pooja195
    • one year ago
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    no try again.

  22. alurahenderson
    • one year ago
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    -21

  23. pooja195
    • one year ago
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    good whats -21/7

  24. alurahenderson
    • one year ago
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    -3

  25. pooja195
    • one year ago
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    Good so we get x=-3 :)

  26. alurahenderson
    • one year ago
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    Thank you again!!

  27. pooja195
    • one year ago
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    :)

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