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7 September, 13:54

Use addition to solve the linear system of equations. Show all of your work.

x = y + 3

y = - 4x - 3

+4
Answers (2)
  1. 7 September, 15:06
    0
    You're looking for the answers to both X and Y, correct?
  2. 7 September, 16:26
    0
    I changed the first equation to y=x-3 by subtracting 3 from each side.

    y=x-3

    y=-4x-3

    So, x-3 = - 4x-3, because y = y.

    So, I then solved for x, and used this number to solve for y.
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