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16 August, 21:16

Which value of y below is the solution to the system shown below. A) y=6 B) y=-1 C) y=-4 D) y=8

Equations: x+2y=27

2x+3y=46

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  1. 16 August, 21:41
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    first set the first equation equal to x

    subtract 2y from both sides

    x=27-2y now plug this in to the other equation

    2 (27-2y) + 3y=46 distribute

    54-4y+3y=46 - -> 54-y=46 now subtract 54 from both sides - y=-8 - -> D) y=8

    If you weren't asked to show work you could just plug the choices given into the equation
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