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anonymous

  • one year ago

im suuppeerr confused with this can someone help me understand how to do this (for medal and maybe fan)

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  1. anonymous
    • one year ago
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    A pair of equations is shown below: y = 6x + 9 y = 7x + 7 What is the solution to the pair of equations? (–2, 21) (2, 21) (–2, –21) (2, –21)

  2. anonymous
    • one year ago
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    b

  3. anonymous
    • one year ago
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    is correct answer

  4. Mehek14
    • one year ago
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    first, substitute the first equation into the second one

  5. anonymous
    • one year ago
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    want explination

  6. anonymous
    • one year ago
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    how do i solve lol yea ok @Mehek14 then what

  7. Mehek14
    • one year ago
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    \(6x + 9= 7x + 7 \) then, combine like terms \(7x-6x=x\\9-7=2\\x=2\)

  8. Mehek14
    • one year ago
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    so you have \((2,?)\) we need to find the y value so plug 2 in 6x + 9 \(6*2+9\\6*2=12\\12+9=21\\(2,21)\)

  9. anonymous
    • one year ago
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    ohhh ok thanks lol id fan you but i already did but if i have another question like this can you work it out with me you explained it good i just have different kind of that concept hard to explain lol

  10. Mehek14
    • one year ago
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    ok

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spraguer (Moderator)
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