Решите уравнение:
в)0,2t + 1,7t - 0,54 = 0,22
г)5,6z - 2z - 0,7z + 2,65 = 7
в)0,2t + 1,7t - 0,54 = 0,22
г)5,6z - 2z - 0,7z + 2,65 = 7
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1,9t= 0,22+0,54
1,9t= 0,76
t= 0,4
г) 5,6z-2z-0,7z+2,65=7
2,9z=7-2,65
2,9z= 4,35
z= 1,5