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17 September, 05:53

Consider the following system of equations 2x+3y=45 x+y=10 what is the x value of the solution for this system

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  1. 17 September, 07:54
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    X + y = 10 ... y = 10 - x ... so we sub in 10 - x for y in the other equation

    2x + 3y = 45

    2x + 3 (10 - x) = 45

    2x + 30 - 3x = 45

    2x - 3x = 45 - 30

    -x = 15

    x = - 15 <===
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