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Mathematics, 01.04.2020 04:15 ayeasley7777

Lindsay is 555 years younger than Mark. Seven years ago, the sum of their ages was 313131. Let lll be Lindsay's age and let mmm be Mark's age. Which system of equations represents this situation?

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Lindsay is 555 years younger than Mark. Seven years ago, the sum of their ages was 313131. Let lll b...

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