Хадия95 -12,7×(х-3,5)=0.-12,7х+44,45=0.-12,7х=-44,45.12,7х=44,45.х=3,5;8,6×(х+1,5)=0.8,6х+12,9=0.8,6х=-12,9.х=-1,5;45,6×(8,7+х)=0.396+45,6х=0.45,6х=-396.х=-8,7;9,3×(0,6+х)=0.5,58+9,3х=0.9,3х=-5,58.х=-0,6.