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Sierra Flatley

Lvl 10
3y ago
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Wiki User

13y ago

There is no pair of numbers (x, y) that fits both of those equations.

The graphs of those equations are parallel lines. Since they don't intersect,

there's no point on the graph that satisfies both equations.

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Q: What is the x and y of x-y equals -1 and -x plus y equals -1?
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