Mathematics
Mathematics, 04.07.2020 01:01, magicalforlife

Show and explain how replacing one equation by the sum of that equation and a multiple of the other produces a system with the same solutions as the one shown. 8x + 7y = 39

4x โ€“ 14y = โ€“68

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Show and explain how replacing one equation by the sum of that equation and a multiple of the other...

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