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Today at 7:55 AM
Mathematics

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Answer :

xenia168 xenia168

Today at 8:00 AM

Answer:

Step-by-step explanation:

1). Replace one equation with a multiple of itself.

2x + 7y = 3 ⇔ 4(2x) + 4(7y) = 4(3)

2). Yes, systems are equivalent.

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