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whadduptori

  • 3 years ago

someone show work? Solve using substitution. y = 2x + 3 5x - y = -3

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  1. jhonyy9
    • 3 years ago
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    so i like help you but you need cooperat anything ,ok ?

  2. jhonyy9
    • 3 years ago
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    how do you think what mean ,,substitution" method to solve it ?

  3. jhonyy9
    • 3 years ago
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    so this mean that calcule the x ,for example from the first equation and substitute this result value of x in place of x in second equation and hence will can calcule easy the value of y ok ?

  4. whadduptori
    • 3 years ago
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    i took 5x-1(2x+3)=-3 and then i did the work and for x i got 0 is that right so far?

  5. jhonyy9
    • 3 years ago
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    so 5x-2x-3=-3 3x=0 x=0 yes is right

  6. jhonyy9
    • 3 years ago
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    and now you need to calcule the y value

  7. whadduptori
    • 3 years ago
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    so 5(0)-y=-3 0-y =-3 -0 -0 -y=-3 so the anwser is y=3

  8. jhonyy9
    • 3 years ago
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    y=3 is right so do you understand it sure right ?

  9. whadduptori
    • 3 years ago
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    yes now i do thank you for your help!!

  10. jhonyy9
    • 3 years ago
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    yw was my pleasure bye

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