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11 June, 17:20

Solve x and y. 25x + 10y = 20.30

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  1. 11 June, 19:30
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    If you meant 25x + 10y = 20.30, we can elim. the dec. fraction by mult. all 3 terms by 100:

    2500x + 1000y = 2030

    Then 1000y = 2030 - 2500x, or y = 2.03 - 2.5x

    Without a second equation in x and y, you cannot simplify further, nor can you solve for a specific numerical value for either x or y.
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