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3 December, 20:30

Y = 9x - 9 y = 9 substitution method

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  1. 3 December, 20:54
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    You would plug in the y=9 into the first equation and then have the expression 9=9x-9

    . After going through the first steps of solving an expression you would get 18=9x. X=2. Then you would plug in the x value into the first expression to get y=9.
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