8th grade math

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-7x+7y=7 2x-2=-18 how many solutions does this system have ?

  • 8th grade math -

    2x-2= -18

    2x= -18+2= -16 Divide with 2

    x=-8

    -7x+7y=7

    -7*(-8)+7y=7

    56+7y=7

    7y=7-56

    7y= -49 Divide with 7

    y= -7

    One solution x= -8 y= -7

  • 8th grade math -

    Point A=(5,-2) was translated to point A'=(-3,6). Describe the translation.

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