1)-Х=4 1/8-1,25
2)-у=42,74-56,3
3)-у=2/3-3/7

1.-x=41/8-1.25-x=5.125-1.25-x=3.875x=-3.8752.-y=42,74-56,3-y=-13.56y=13.563.-y=2/3-3/7-y=2 3 - - - 3 7-y=14-9 ----- 21 -y=5 - 21 y= 5 - -- 21