9x-8= -4x+12
9x-8=-4x+12
13x-20 = 0
13x = 20
x = 20/13
х=1,53846153846
-11x-9=4x-9
-15x = 0
15x = 0
x = 0
8x+11=-3x+14
11x-3 = 0
11x = 3
x = 3/11
х=0,27272727272
9x-8= -4x+12
9x-8=-4x+12
13x-20 = 0
13x = 20
x = 20/13
х=1,53846153846
-11x-9=4x-9
-15x = 0
15x = 0
15x = 0
x = 0
8x+11=-3x+14
11x-3 = 0
11x = 3
x = 3/11
х=0,27272727272