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7x+2y=-6 -14x-4y=-2 solve by subsitution
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no solutions that I can see
It has to be
no, it doesnt have to be; sub it in and see that im right
-2(7x+2y=-6) = -14x-4y=12 12 not= -2; ever
but thats by elimination; sub it in and see that you get the same results
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