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Mathematics, 08.01.2021 22:30 khamani623

Below, explain why we are allowed the "substitute in" x - 3 for y in the top equation.
Why is this useful for finding our first solution?
x + y = 11
y = x - 3

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Answers: 2

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Below, explain why we are allowed the "substitute in" x - 3 for y in the top equation.
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