6,4-2,2+4,6=11-2,2=8,8 (-6/14)*(-14/10)*2х==6/10*2х=6/5*х=1 1/5*х коэффициент 1 1/5=1,2 6m-0.9m+2m-2m/8=8m-0.9m-0.25m=8m-1.15m=6.85m 4x-14=6x+2/8 -2x=14+1/4 x=-14.25:2 х=-7,125