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26 April, 04:19

Solve the system algebraically

x+3y=11

4x-4y=7

+1
Answers (2)
  1. 26 April, 04:33
    0
    x = 65/16, y = 37/16

    Step-by-step explanation:

    solve the system algebraically

    x+3y=11

    4x-4y=7

    Try substitution.

    let x = 11 - 3y

    Plug in.

    4 (11 - 3y) - 4y = 7

    44 - 12y - 4y = 7

    44 - 16y = 7

    37 = 16y

    y = 37/16

    x = 11 - 3*y

    x = 11 - 3 * (37/16)

    x = 11 - 111/16

    x = 65/16
  2. 26 April, 04:46
    0
    It may be 7/3 or 2.33 I'm sorry if I got it wrong
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