4(5x-3)-5(3x+7)=6x-23x
20x – 12 – 15x – 35 = 6x – 23x
20x – 15x – 6x + 23x = 35 + 12
22x = 47
x = 47/22
х=2,13636363636
4(5x-3)-5(3x+7)=6x-23x
20x – 12 – 15x – 35 = 6x – 23x
20x – 15x – 6x + 23x = 35 + 12
22x = 47
x = 47/22
х=2,13636363636