Question

1,2-2*(1,3x+1)=5,6x-27,04
;-)

Answer 1

1,2-2(1,3х+1)=5,6х-27,04
1,2-2,6х-2 = 5,6х-27,04
1,2 -2+27,04 = 5,6х+2,6х 
26,24 = 8,2х
х= 26,24: 8,2
х=3,2

Answer 2

ОК