9*(4-2x)=5*(3-4x)+4 уравнение
9*(4-2x)=5*(3-4x)+4
36 - 18х = 15 - 20х + 4
36 - 18х = 19 - 20х
Переносим влево: 36 - 18х - 19 + 20х = 0
17 + 2х = 0
2х = 17
х = 8,5
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9*(4-2x)=5*(3-4x)+4
36 - 18х = 15 - 20х + 4
36 - 18х = 19 - 20х
Переносим влево: 36 - 18х - 19 + 20х = 0
17 + 2х = 0
2х = 17
х = 8,5