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overtonka Group Title

Solve each system of equations by substitution -3v+3x=12 3v-6x=-21

  • one year ago
  • one year ago

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  1. tkhunny Group Title
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    1) Divide EVERYTHING by 3.

    • one year ago
  2. skullpatrol Group Title
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    $$-3v+3x=12$$ $$3v-6x=-21$$ $$\frac{1}{3}(-3v+3x)=\frac{1}{3}(12)$$ $$ \frac{1}{3} (3v-6x)=\frac{1}{3}(-21)$$

    • one year ago
  3. skullpatrol Group Title
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    Dividing by 3 is the same as multiplying by 1/3 right? @overtonka

    • one year ago
  4. overtonka Group Title
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    I really don't know how to do this o.o

    • one year ago
  5. skullpatrol Group Title
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    The multiplication property of equality allows you to multiply both sides of an equation by the same nonzero number and get an equivalent equation. Have you heard of this property in class?

    • one year ago
  6. skullpatrol Group Title
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    @overtonka

    • one year ago
  7. overtonka Group Title
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    No I havent

    • one year ago
  8. skullpatrol Group Title
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    Let me give you an example let's say 3=3, now I multiply both sides by 2 what would I get?

    • one year ago
  9. skullpatrol Group Title
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    @overtonka

    • one year ago
  10. abc123! Group Title
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    do u want the answer or how to get the answer

    • one year ago
  11. ryan123345 Group Title
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    To atleast make the question easier divide everything by 3

    • one year ago
  12. overtonka Group Title
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    I tried that

    • one year ago
  13. ryan123345 Group Title
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    |dw:1361972385891:dw|

    • one year ago
  14. skullpatrol Group Title
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    @overtonka Does giving you the answer help you learn?

    • one year ago
  15. skullpatrol Group Title
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    Do you want to learn how to do this?

    • one year ago
  16. ryan123345 Group Title
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    |dw:1361972609881:dw|

    • one year ago
  17. ryan123345 Group Title
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    |dw:1361972653183:dw|

    • one year ago
  18. skullpatrol Group Title
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    You must first understand why you do the steps @overtonka

    • one year ago
  19. ryan123345 Group Title
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    |dw:1361972684025:dw|

    • one year ago
  20. skullpatrol Group Title
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    ryan will give you the answer .. I can show you how to do it ...you choose

    • one year ago
  21. ryan123345 Group Title
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    |dw:1361972804662:dw|

    • one year ago
  22. skullpatrol Group Title
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    Being interested in how and why things work is what math is all about

    • one year ago
  23. skullpatrol Group Title
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    Do you want to learn how to do this?

    • one year ago
  24. skullpatrol Group Title
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    Why the steps work?

    • one year ago
  25. GaLm Group Title
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    Ryan is showing how to do it, he's not just giving answers

    • one year ago
  26. ryan123345 Group Title
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    Thank you.

    • one year ago
  27. skullpatrol Group Title
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    Let the learner decide.

    • one year ago
  28. GaLm Group Title
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    ok, @overtonka , do you like the way skullpatrol does it or the way Ryan answers

    • one year ago
  29. Callisto Group Title
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    "It is better to guide the user to an answer rather than doing all the work yourself. We discourage giving out answers without letting the asker at least take some part in the analysis - the aim of this site is to teach. Please refer to our code of conduct at http://openstudy.com/code-of-conduct for more information. Thank you."

    • one year ago
  30. ryan123345 Group Title
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    Okay sorry dude

    • one year ago
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