Памогите решит пажалоста прошу вас

x-2,3=3,374+4,51x-2,3=7,884x=7,884+2,3x=10,184==========y-8,3=8,07+11y-8,3=19,07y=19,07+8,3y=27,37=========z-0,834=2,64+0,3z-0,834=2,94z=2,94+0,834z=3,774===========m-5,3=21,7+0,613m-5,3=22,313m=22,313+5,3m=27,613========n-5,271=0,9+11,29n-5,271=12,19n=12,19+5,271n=17,461============k-6,7=0,333+0,965k-6,7=1,298k=1,298+6,7k=7,998