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anonymous

  • one year ago

Help please!!!!!!

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  1. anonymous
    • one year ago
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    What do you need help with?

  2. anonymous
    • one year ago
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    What is the value of x in the solution to the following system of equations? x − y = −3 x + 3y = 5 Numerical Answers Expected! Answer for Blank 1:

  3. anonymous
    • one year ago
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    @mathstudent55

  4. anonymous
    • one year ago
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    @Preetha

  5. anonymous
    • one year ago
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    this is a algebra calculator use it to get this answer

  6. anonymous
    • one year ago
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    http://www.mathpapa.com/algebra-calculator.html

  7. mathstudent55
    • one year ago
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    Since the first equation has -y and the second equation has 3y, you can multiply the first equation by 3 and add to the second equation to eliminate y. Then you can solve for x.

  8. mathstudent55
    • one year ago
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    |dw:1443811790558:dw|

  9. anonymous
    • one year ago
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    okay so that would give me x = 1.3 is what I got? @mathstudent55

  10. anonymous
    • one year ago
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    I don't know if I did it right @mathstudent55

  11. mathstudent55
    • one year ago
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    |dw:1443812627625:dw|

  12. anonymous
    • one year ago
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    Oh okay so x = -1 ?

  13. mathstudent55
    • one year ago
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    Be careful when adding terms. x is the same as 1x x + 3x = 1x + 3x = 4x

  14. mathstudent55
    • one year ago
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    Yes, x = -1

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spraguer (Moderator)
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