I2x + 14i = 6 i9x-18i = 27 i8x +12i = 20 i15 x - 10i = 5 i9x + 15i = 6 i8x - 6i = 14' iixi - 3i = 0 i5- ixii = 0 iixi + 3i = 0 i7 - ixii=0

I2x + 14I = 6
2х=-14+6
2х=-8
х=-8/2
х=-4

I9x-18I = 27
9х=27+18
9х=45
х=45/9
х= 5

I8x +12I = 20 
8х=20-12
8х=8
х=8/8
х=1

I15 x - 10I = 5 
15х=10+5
х=15/15
х=1

I9x + 15I = 6
9х=6-15
9х=-9
х=-9/9
х=-1

I8x - 6I = 14
8х=14+6
8х=20
х=20/8
х=2.5

IIxI - 3I = 0
х=3

I5- IxII = 0
х= 5

IIxI + 3I = 0
х=-3

I7 - IxII=0
х=7