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  • 3 years ago

x + y = 6 x - y = 8 Solve the system of equations. (1, -7) (7, -1) no solution

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  1. ethompsonn
    • 3 years ago
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    substitute, (7,-1)

  2. nitz
    • 3 years ago
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    add the two equations 2x=14 x=7 substitute x=7 in any of the two equations say 1st one and get the value of y 7+y=6 y=6-7 y=-1

  3. ethompsonn
    • 3 years ago
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    @nitz, thanks that was much more elaborate. i think i actually learned something:P

  4. nitz
    • 3 years ago
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    u are welcome

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