5.6z-2z-0.72+2.65=7 помагите плиз

Question

5.6z-2z-0.72+2.65=7
помагите плиз

Answer 1

5,6z-2z-0,7z+2,65=75,6z-2z-0,7z=7 - 2,652,9z = 4.35z = 4.35 : 2.9z = 1.5