-9x-5(14-2x)=7(2x-6)+5x
– 9x – 70 + 10x = 14x – 42 + 5x
– 9x + 10x – 14x – 5x = – 42 + 70
-18x = 28
-9x = 14
x = 14/-9
х=-1,55555555556
4-7(-9x-3)=15-8(5-3x)
4 + 63x + 21 = 15 – 40 + 24x
63x – 24x = – 40 + 15 – 21 – 4
39x = -50
x = -50/39
х=-1,28205128205
-9x-5(14-2x)=7(2x-6)+5x
– 9x – 70 + 10x = 14x – 42 + 5x
– 9x + 10x – 14x – 5x = – 42 + 70
-18x = 28
-9x = 14
x = 14/-9
х=-1,55555555556
4-7(-9x-3)=15-8(5-3x)
4 + 63x + 21 = 15 – 40 + 24x
63x – 24x = – 40 + 15 – 21 – 4
39x = -50
x = -50/39
х=-1,28205128205