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pestovamalik
@pestovamalik
July 2022
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(Х-5)/(х+0.2)=(х-5)/(0.5х+4)
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bbamrin
(Х-5)/(х+0.2)=(х-5)/(0.5х+4)
пропорцией:
(x-5)(0,5x+4) = (x-5)(x+0,2)
(x-5)(0,5x+4) - (x-5)(x+0,2) = 0
выносим (x-5) за скобки
(x-5)(0,5x+4 - x - 0,2) = 0
отсюда: x = 5 или -0,5x + 3,8 = 0
-0,5x = -3,8
x = 7,6
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Answers & Comments
пропорцией:
(x-5)(0,5x+4) = (x-5)(x+0,2)
(x-5)(0,5x+4) - (x-5)(x+0,2) = 0
выносим (x-5) за скобки
(x-5)(0,5x+4 - x - 0,2) = 0
отсюда: x = 5 или -0,5x + 3,8 = 0
-0,5x = -3,8
x = 7,6