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Mathematics, 21.02.2021 16:50 ninilizovtskt

7, 15x + 20 - 5x + 10 = 140 ise x =?
13.
1

7, 15x + 20 - 5x + 10 = 140 ise x =?13.1

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7, 15x + 20 - 5x + 10 = 140 ise x =?
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