algebra

solve the system of equations using the substitution method 8x - 9 = y, y - 8x = 4

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  1. 8x-9=y
    and y=8x+4

    put the second equation into the first, you see it cannot be solved. Reason, lines when graphed are parallel, never cross, so there is no common x,y solution.

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    bobpursley

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