What is the value of x + y in example 2 in the picture?

270
If the task does not have any additional conditions, except as indicated in the picture...\r\n\r\presem in mind, that is, by word of mouth: we add the first two equations and divide by eleven, the answer is outrageously simple, the required answer is the sum of two unknowns is equal to 1001.\r\n\r\petvet : 1001
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Answer add

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