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01-04-2020
Mathematics

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Solve each system of inequalities by graphing.
1. 3x + y = 1
x - y = 3

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Аноним Аноним

01-04-2020

Answer:

x = 1

y = - 2

Step-by-step explanation:

3x + y = 1

x - y = 3

___________ +

3x + x + y - y = 1 + 3

4x = 4

x = 1

3(1) + y = 1

y = 1 - 3

y = - 2

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