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anonymous

  • 4 years ago

3x - 5y = 25 x = y + 7

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  1. anonymous
    • 4 years ago
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    ummm so do u need to use subsitution or elimination?

  2. anonymous
    • 4 years ago
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    substitution

  3. anonymous
    • 4 years ago
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    ok that is easy

  4. anonymous
    • 4 years ago
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    3(y+7)-5y=25

  5. anonymous
    • 4 years ago
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    Can u solve from there?

  6. anonymous
    • 4 years ago
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    can you show me the next step? then I think I can from there... I understand a little better

  7. anonymous
    • 4 years ago
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    so we open up the brackets and gather like terms 3y+21-5y=25 21-2y=25 -2y=3 y=(-3/2) Now plug this into the second equation to find out what x equals

  8. anonymous
    • 4 years ago
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    Then to check your work plug in the x and y into both equations and if the answer is correct then you know u got the correct answer

  9. anonymous
    • 4 years ago
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    okay! Thank you so much. I think I got it now.

  10. anonymous
    • 4 years ago
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    alrighty :D

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