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jamie2012

  • 3 years ago

78 = -2(m + 3) + m

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  1. BlondeGirl
    • 3 years ago
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    use distributive property first on -2(m+3)

  2. BlondeGirl
    • 3 years ago
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    let me know what you get and ill work with you from there(:

  3. jamie2012
    • 3 years ago
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    i don't get the distributive property. sorry

  4. BlondeGirl
    • 3 years ago
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    you multiply -2 to m and 3

  5. BrittanyFrench
    • 3 years ago
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    distribute the -2 by multiplying them to the m and 3 then you'll have your equation..

  6. BrittanyFrench
    • 3 years ago
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    |dw:1360769121385:dw|

  7. BlondeGirl
    • 3 years ago
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    so you would have -2m-6

  8. BlondeGirl
    • 3 years ago
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    combine like terms now

  9. BrittanyFrench
    • 3 years ago
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    yeah

  10. jamie2012
    • 3 years ago
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    2m and m

  11. BrittanyFrench
    • 3 years ago
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    let me know what you get

  12. BlondeGirl
    • 3 years ago
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    exactly just combine those add 2m+1m

  13. jamie2012
    • 3 years ago
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    3m

  14. BrittanyFrench
    • 3 years ago
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    yeah so know whats your equation?

  15. BlondeGirl
    • 3 years ago
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    wait sorry i forgot it was negative lol it would be -m

  16. jamie2012
    • 3 years ago
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    so it would be -3m?

  17. BrittanyFrench
    • 3 years ago
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    yes little things we miss lol what's your equation now?

  18. BlondeGirl
    • 3 years ago
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    no you would have 78+-m-6

  19. BlondeGirl
    • 3 years ago
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    = not +

  20. BlondeGirl
    • 3 years ago
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    sorry my keyboard is funny

  21. BrittanyFrench
    • 3 years ago
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    okay i'm out, lol my brains not working. Good job though blondegirl

  22. BlondeGirl
    • 3 years ago
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    haha all you have to do is solve this one step equation now 78=-m-6 do you know how to do that?

  23. jamie2012
    • 3 years ago
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    would it be -81?

  24. BlondeGirl
    • 3 years ago
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    no you add 6 to 78 because you do the opposite of what the sign says since it is on the other side of the equals sign

  25. jamie2012
    • 3 years ago
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    84

  26. BlondeGirl
    • 3 years ago
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    exactly so it is 84= -1m or -84=m

  27. BlondeGirl
    • 3 years ago
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    hope i helped

  28. jamie2012
    • 3 years ago
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    you did thank you so much

  29. BlondeGirl
    • 3 years ago
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    no problem(:

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