Question

4(2z-3)+2(7z+1)+4=3(5z-1)+4

Answer 1

Answer:

4(2z-3)+2(7z+1)+4=3(5z-1)+4

8z-12+14z+2+4=15z+4

22z-6=15z+4

22z-15z=4+6

7z=10

z=10/7

Answer 2

Answer:

8z-12+14z+2+4=15z-3+4

22z-6=15z+1

7z=7

z=1