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LiKotova
@LiKotova
August 2022
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Решите уравнение относительно х:
2: (х-1) = а: (х+1)
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2: (х-1) = а: (х+1)
Решаем как пропорцию:
2 (х+1) = (х-1)а
2х + 2 = ах - а
2х - ах = - 2 - а
х(2 - а ) = - (2 + а)
х = - (2 + а) / (2 - а )
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Answers & Comments
Решаем как пропорцию:
2 (х+1) = (х-1)а
2х + 2 = ах - а
2х - ах = - 2 - а
х(2 - а ) = - (2 + а)
х = - (2 + а) / (2 - а )