subtract2/3k=10z=68.4x=-9.25m=-18t=0g=-6.4or -62/5b=2d=85.68n=15divideby 2multiplyby 11.4y=-82.3c=3.12h=-15.6y=-65.7divideby 0.06y=-14n=21a=31m=15divideby 3plus4/13subtract1/4m=-7z=1/3subtract6w=12515+7n=99f=-7