Реши уровнения: 3,7z - z =0,54.

Question

Реши уровнения: 3,7z - z =0,54.

Answer 1

3,7z-z=0.54
2.7z=0.54             |/2.7
z=0.2

Answer 2

3,7z - z = 0.54
2.7z = 0.54
z=0.54/2.7
z=0.2