If (x + y, 1) = (3, x – y) then (x, y) is
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Step-by-step explanation:
x + y = 3
x - y = 1
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2x + 0y = 4
2x = 4
(2x)/2 = 4/2
x = 2
x + y = 3
2 + y = 3
2 - 2 + y = 3 - 2
0 + y = 1
y = 1
CHECK (in both equations!):
x + y = 3
2 + 1 = 3
3 = 3
x - y = 1
2 - 1 = 1
1 = 1
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