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ineedyouubiebs Group Title

What is the value of x in the following system: y=2x+5 y=-3x+10

  • one year ago
  • one year ago

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  1. dpaInc Group Title
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    ok.... since both equations start off as "y=..." set them equal to each other....

    • one year ago
  2. ineedyouubiebs Group Title
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    what do you mean equal to each other?

    • one year ago
  3. dpaInc Group Title
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    2x+5 = -3x+10

    • one year ago
  4. ineedyouubiebs Group Title
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    OHHHHH!! OK I got x=-3

    • one year ago
  5. dpaInc Group Title
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    no... try again.... be careful...

    • one year ago
  6. ineedyouubiebs Group Title
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    x=3

    • one year ago
  7. dpaInc Group Title
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    how did u get that? try again...

    • one year ago
  8. ineedyouubiebs Group Title
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    okay so i got 2x+15=-3x and then i subtracter -2 from -3 on the other side

    • one year ago
  9. dpaInc Group Title
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    ok... you moved the 10 over from the right side so that means you needed to SUBTRACT 10 from both sides... that 15 should be a -5... ????

    • one year ago
  10. ineedyouubiebs Group Title
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    OHHHHH! SORRY!! I forgot to do inverse operation !

    • one year ago
  11. dpaInc Group Title
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    so let's take it from there now.... 2x - 5 = -3x what next?

    • one year ago
  12. ineedyouubiebs Group Title
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    you subtract -2 from -3x

    • one year ago
  13. dpaInc Group Title
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    you mean subtract 2x from both sides.... ??? 2x - 5 -2x = -3x -2x

    • one year ago
  14. dpaInc Group Title
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    can you simplify both sides??

    • one year ago
  15. ineedyouubiebs Group Title
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    |dw:1360045806698:dw|

    • one year ago
  16. dpaInc Group Title
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    you're solving for x so you do not want to cancel x.... cancel the -5 instead...|dw:1360045928707:dw|

    • one year ago
  17. dpaInc Group Title
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    now solve for y....

    • one year ago
  18. ineedyouubiebs Group Title
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    ok its y=2

    • one year ago
  19. dpaInc Group Title
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    how did u get that? you can use either equation from the beginning....

    • one year ago
  20. dpaInc Group Title
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    just plug in x=1 to either equation to find y...

    • one year ago
  21. ineedyouubiebs Group Title
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    yeah that's exacly what i did @dpaInc oohh wait i checked it and i got 7 now

    • one year ago
  22. dpaInc Group Title
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    lol... that's correct now...

    • one year ago
  23. ineedyouubiebs Group Title
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    YAYxD they are asking for the value of x and in the beggining we talked that it was x=1

    • one year ago
  24. dpaInc Group Title
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    oh... you didn't need to find the value for y ???

    • one year ago
  25. ineedyouubiebs Group Title
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    no.but that's alright dont worry.thanks so much,i suck at algebra so i really need all the help i can get=D

    • one year ago
  26. dpaInc Group Title
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    you don't suck at algebra.... just need practice like everyone else.... keep up the good work... cya! :)

    • one year ago
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