Question

решить уравнение 5,6z-2z-0,7z+2,65=7

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