-1.4(x-6)=7(4x+1.2) 2.6(0.4x-1.4)=-3,9(1,2x-0,9)

-1.4(x-6)=7(4x+1.2)-1,4х+8,4=28х+8,4-1,4х-28х=8,4-8,4-29,4х=0х=0 2.6(0.4x-1.4)=-3,9(1,2x-0,9)1,04х-3,64=-4,68х+3,511,04х+4,68х=3,51+3,645,72х=7,15х=7,15:5,72х=1,25