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23 August, 04:47

X+3y=5

-2x-6y=-10

Solve using elimination

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Answers (1)
  1. 23 August, 04:54
    0
    Slimination

    multiply first equaiton by 2

    2x+6y=10

    add to second equiaotn

    2x-2x+6y-6y=10-10

    0=0

    this is true so therfor they are the same equaiton

    so solve

    x+3y=5

    3y=-x+5

    y=-1/3x+5/3

    subsituter values for x and get valuse for y

    if x=2 then y=1
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