Question

3z-(z-5)*4=(1-5z)3 помогите решить

Answer 1

3z-(z-5)*4=(1-5z)3

3z-4z+20=3-15z

3z-4z+15z=3-20

14z=-17

z=-17/14

z=-1 3/14

Answer 2

3z-(z-5)·4≡(1-5z)3
3z-z+5·4≡3-15z
2z+15z≡-17
17z≡17
z≡1