43x+19x=12710 60y-3y=15390 7m+m-12=28 16t-t+5=50 8x+7x=105 37x-21x+8=50
1)43х+19х=12710 2)60у-3у=15390 3)7m+m-12=28 62х=12710 57у=15390 8m=28+12 х=12710:62 у=15390:57 8m=40 х=205 у=270 m=40:8 m=5 4)16t-t+5=50 5)8x+7x=105 6)37x-21x+8=50 15t=50-5 15x=105 16x=50-8 15t=45 x=105/15 16x=42 t=45:15 x=7 x=2.625 t=3
43x +19x =12710 62x =12710 x =205 60y -3y =15390 57y =15390 y = 270 7m + m - 12=28 8m = 16 m = 2 16t -t+5 =50 15t = 45 t= 3 8x +7x =105 15x = 105 x = 7 38x -21x+ 8 = 50 7x = 42 x= 6