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mm151
@mm151
July 2022
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Решите уравнение: пожалуйста
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Universalka
Verified answer
(7x - 3) / 2 - (9 - 4x) / 3 = (7 - x) / 2
Умножим всё почленно на 6 получим
3(7x - 3) - 2(9 - 4x) = 3(7 - x)
21x - 9 - 18 + 8x = 21 - 3x
21x + 8x + 3x = 21 + 9 + 18
32x = 48
x = 1,5
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Answers & Comments
Verified answer
(7x - 3) / 2 - (9 - 4x) / 3 = (7 - x) / 2Умножим всё почленно на 6 получим
3(7x - 3) - 2(9 - 4x) = 3(7 - x)
21x - 9 - 18 + 8x = 21 - 3x
21x + 8x + 3x = 21 + 9 + 18
32x = 48
x = 1,5