Four solutions of 2x + y = 7
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Answer:
(-1,9) (0,7) (1,5) (2,3)
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Step-by-step explanation:
2x + y = 7
y = 7 - 2x
1. x = 2 2. x = 3 3. x = 1 4. x = 4
y = 3 y = 1 y = 5 y = -1
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