-3(х+2)-8(х+5)=11-х
-3х-6-8х-40=11-х
-3х-8х-6-40=11-х
-11х-46=11-х
-11х+х=11+46
-10х=57
х = 57:(-10)
х= -5,7
-3(х+2)-8(х+5)=11-х
-3х-6-8х-40=11-х
-3х-8х-6-40=11-х
-11х-46=11-х
-11х+х=11+46
-10х=57
х = 57:(-10)
х= -5,7