5х+8/3+11х-1/6=-1 30х+16+66х-1=-6 96х=-21 х=-21/96 x=-7/32 4х-5/7-9x-25/2=0 8x-5-126x-175=0 -118x=180 x=-90/59 4x+9/5-4+3x/2=4 40x+18-40+15x=40 55x=62 x=62/52