algebra solving system equations ???

y=-1x
&
2x+y=2

2007-01-17 14:49:25 · 2 answers · asked by DaGhettoCinderella 2 in Science & Mathematics ➔ Mathematics

2x + (-1x) = 2
2x - x= 2
x= 2

y= -1x
y= -1(2)
y=-2

2007-01-17 14:53:29 · answer #1 · answered by vlake_phoenix 2 · 0⤊ 0⤋

so substitute
2x + (-1x) = 2.... because y = -1x
x = 2

y = -1x
y = -2

ta da

2007-01-17 22:54:28 · answer #2 · answered by tomkat1528 5 · 0⤊ 0⤋

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