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15x - 5y = -20 -3x + y = 4
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2 votes
15x - 5y = -20
-3x + y = 4

User Cimenmus
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1 Answer

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using the elimination method to get x and y you multiply the bottom equation by 5, when you plug that in you get -15x+5y=20 and when you subtract that you get 0=0 so the answer is infinitely many solutions
User Stas Ivanov
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