Решите 0,6m -1,4=(3,5m+1,7)-(2,7m-3,4)
0.6m -1.4 = (3.5m+1.7) - (2.7m -3.4)
0.6m -1.4 = 3.5m+1.7 -2.7m +3.4
0.6m -1.4 = 0.8m +5.1
0.6m -0.8m = 5.1 +1.4
-0.2m = 6.5
m = 6.5 : (-0.2)
m = - 32.5