-1.4(х-6)=7(4х+1.2) Помогите
-1.4(х-6)=7(4х+1.2) -1.4х-6*(-1.4)=7*4х+1.2*7 -1.4х-(-8,4)=28х+8,4 -1,4х+8,4=28х+8,4 -1,4х-28х=8,4-8,4 -29,4х=0 х=0