-6x-12,6=0)Помогите срочно! 26,9-0,8(3x+40)=x
-6-12.6=0 -6=12.6 х=12.6\-6 х=-2.1
26.9-0.8(3х+40)=х
26.9-2.4х-32-х=0
-3.4х=5.1
х=-1.5