-3x+14= 4x+56
-7x=42
x=-6
3x/4+6=2x/3-9
3x/4-2x/3=-15
9x-8x= -180
x=-180
2) 3/4x - 2/3 x = -9-6
1/12x = -15
x= -15 / 1/12
x= - 180
ответ : x = -180.
-3x+14= 4x+56
-7x=42
x=-6
3x/4+6=2x/3-9
3x/4-2x/3=-15
9x-8x= -180
x=-180
2) 3/4x - 2/3 x = -9-6
1/12x = -15
x= -15 / 1/12
x= - 180
ответ : x = -180.