Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

madisonmaruhnich94

  • 3 years ago

Solve the equation. 78 = -2 (m+3) + m

  • This Question is Closed
  1. dfresenius
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    ok distribute the -2 to the m + 3

  2. Nameless
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    first distribute the -2 so 78 = -2m + 6 + m. then combine like terms. so 78 = m + 6. then isolate the variableby subtracting 6 from both sides, thus m = 72

  3. madisonmaruhnich94
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    wouldnt it be -72?

  4. dfresenius
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    you would get 78 = -2m - 6 + m

  5. dfresenius
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    -2m + m = -m

  6. Yahoo!
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    -39 = 2m + 3 -42 = 2m m = -21

  7. madisonmaruhnich94
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    A. –28 B. –42 C. –72 D. –84

  8. dfresenius
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    78 = -m - 6

  9. dfresenius
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    72=-m

  10. dfresenius
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    m= - 72

  11. dfresenius
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    -72 is the right answer, they must have read your question wrong

  12. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy