algebra

6x + 2y = -2
4x + y = 1

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  1. 4x+y=1

    y=1-4x

    6x+2y= -2

    6x+2*(1-4x)= -2

    6x+2-8x= -2

    6x-8x= -2-2

    -2x= -4 Divide with -2

    x= -4/-2

    x=2

    y=1-4x

    y=1-4*2

    y=1-8

    y= -7

    Proof:

    6x+2y= -2

    6*2+2*(-7)= -2

    12+(-14)= -2

    12-14= -2

    -2= -2

    4x+y=1

    4*2+(-7)=1

    8-7=1

    1=1

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