8x-(2x-9)=4x-(8+4x)
8x – 2x + 9 = 4x – 8 – 4x
8x – 2x – 4x + 4x = – 8 – 9
6x = -17
x = -17/6
х=-2,83333333333
8x-(2x-9)=4x-(8+4x)
8x – 2x + 9 = 4x – 8 – 4x
8x – 2x – 4x + 4x = – 8 – 9
6x = -17
x = -17/6
х=-2,83333333333