ANSWERS: 3
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Add 4y: 4x = -4y So x= -y Substitute: 8x = 2 + x So x=2/7 and y=-2/7
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4x-4y=-8y 4[x-y]=-8y x-y=-8y/4 x-y=-2y x=-2y+y x=-y---------1 from 1 we assume -8y=8x -8x=2+x -8x-x=2 -9x=2 x=2/-9 y=-[2/-9] y=2/9
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just out of curiousity.....is this your homework? I'd help you if I wasn't mathmatically retarded
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