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17 September, 15:54

Use addition to solve the linear system of equations. Include all of your work in your final answer.

x - y = 6

y = x - 4

+5
Answers (1)
  1. 17 September, 17:32
    0
    Minus y both sides in 2nd equation and add 4

    x-y=4

    we gots

    x-y=6

    x-y=4

    multiply 2nd by - 1 and add to first

    x-y=6

    -x+y=-4 +

    0x+0y=2

    0=2

    false

    no solution
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