Question

5*(8z-1)-7*(4z+1)+8+(z-4)=96

Answer 1

5(8z-1)-7(4z+1)+8(z-4)=96

40z-5-28z-7+8z-32=96

20z-44=96

20z=96+44

20z=140

z=140:20

z=7

Ответ:z=7

 

Answer 2

5*(8z-1)-7*(4z+1)+8+(z-4)=96,

40z-5-28z-7+8z-32=96.

20z-44=96.

20z=96+44.

20z=140.

z=140/20.

z=7