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automaticloveletter

  • one year ago

A system of equations is shown below: n = 3m + 5 n − 2m = 3 What is the solution, in the form (m, n), to the system of equations? (2, 11) (1, 8) (−2, −1) (−3, −4)

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  1. Mehek14
    • one year ago
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    what do you think?

  2. automaticloveletter
    • one year ago
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    No clue

  3. Mehek14
    • one year ago
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    let's substitute the first equation into the second one \(3m + 5 -2m = 3 \\ 5 - m = 3 \\ -m = -2 \\ m = 2\)

  4. Mehek14
    • one year ago
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    substitute 2 for m \(n=3*2+5\\3*2=6\\6+5=11\)

  5. Mehek14
    • one year ago
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    so (2,11)

  6. automaticloveletter
    • one year ago
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    The system of equations shown below is graphed on a coordinate grid: 3y + x = 4 2y − x = 6 Which statement is true about the coordinates of the point that is the solution to the system of equations? It is (−2, 2) and lies on both lines. It is (−5, 3) and lies on both lines. It is (−5, 3) and does not lie on either line. It is (−2, 2) and does not lie on either line.

  7. Mehek14
    • one year ago
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    actually it's -2,-1 when I graphed it

  8. Mehek14
    • one year ago
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    and for this one it's A

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