Question

5.6z-2z-0,7z+2.65=7 пожалуйста решение

Answer 1

5.6z-2z-0.7z+2.65=7
5.6z-2z-0.7z=7-2.65
2.9z=4.35
z=4.35:2.9
z=1.5

Answer 2

5,6z-2z-0,7z+2,65=7