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ineedyouubiebs Group Title

Where do the graphs of the following equations intersect: x-y=3 x=-2y-6 please someone who is actually willing to help me i struggle on this

  • one year ago
  • one year ago

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  1. omoshiroi Group Title
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    ok. first you need to have one of the equations in terms of x or y. Lets take x-y=3. solve for x ineedyouubiebs

    • one year ago
  2. ineedyouubiebs Group Title
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    so it doesnt matter which one i start with?

    • one year ago
  3. omoshiroi Group Title
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    no, it does not matter. but x-y=3 is easier to work with.

    • one year ago
  4. Eminy Group Title
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    Solve for y, x-y=3 -x -y=-x+3 times -1 y=x-3 x=-2y-6 -6 x-6=-2y divde buy -2 -1/2x+3=y or y=-1/2x+3

    • one year ago
  5. ineedyouubiebs Group Title
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    would it be (-2y-6)-y=3 ?? please correct me if im wrong

    • one year ago
  6. dpaInc Group Title
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    @ineedyouubiebs , that would be correct... ^^^

    • one year ago
  7. ineedyouubiebs Group Title
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    omgggg yesss!!

    • one year ago
  8. omoshiroi Group Title
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    yes that is correct

    • one year ago
  9. ineedyouubiebs Group Title
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    @dpaInc and how would i add like terms to that...i mean would i have to distribute?

    • one year ago
  10. dpaInc Group Title
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    technically you are distributing a "1" in 1(-2y-6)-y=3 but since it is only a positive 1, just get rid of the parenthesis to get: -2y - 6 - y = 3 now combine like terms and solve....

    • one year ago
  11. ineedyouubiebs Group Title
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    y=-3

    • one year ago
  12. dpaInc Group Title
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    correct... now solve for x...

    • one year ago
  13. ineedyouubiebs Group Title
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    and how would i do that?

    • one year ago
  14. dpaInc Group Title
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    you have x = -2y - 6 from the beginning....

    • one year ago
  15. dpaInc Group Title
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    just plug in the value that you found for y: x = -2(-3) - 6

    • one year ago
  16. ineedyouubiebs Group Title
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    x=6-6

    • one year ago
  17. dpaInc Group Title
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    simplify that....

    • one year ago
  18. ineedyouubiebs Group Title
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    x=0

    • one year ago
  19. dpaInc Group Title
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    you're basically done... and whenever you need to see if your answer is correct or not, plug in the values of both x and y into BOTH equations. if they both turn out to be true statements, your answer is correct.

    • one year ago
  20. ineedyouubiebs Group Title
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    okay thank you soo much=D can you help me in another problem?

    • one year ago
  21. dpaInc Group Title
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    sure.... close this question and post a new one.... :)

    • one year ago
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