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18-11-2019
Mathematics

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{5x−y=−21 What is the solution of the system?

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18-11-2019

Answer:

Step-by-step explanation:

5x - y = -21

y = 5x + 21

Substituting into:

x + y = -3

x + 5x + 21 = -3

6x = -24

x = -4

y = 5(-4) + 21

y = 1

Solution: (-4,1)

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