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Ответ

Ответ дан
lika9046
НоК (5,9,15)= 45

45*(2х-3)/5 - 45*(5х-4)/9 = 45*(4х+ 3)/15

Сокращение:

9*(2х-3) - 5*(5х-4) = 3*(4х+3)
18х-27 - 25х-20 = 12х+9
у нас получилось линейное уравнение.

18х - 25х -12х = 27 +20 +9
-19х = 56
х = 2 18/19

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