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13-06-2019
Mathematics

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solve the system x+y=3 , x-y=1

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Аноним Аноним

13-06-2019

Answer:

x = 2, y = 1.

Step-by-step explanation:

x+y=3

x-y=1

Adding the 2 equations eliminates y:

2x = 4

x = 2.

Substitute for x in the first equation:

2 + y = 3

y = 3-2 = 1.

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