Verified answer

(z+4)/2=11

(z+4)/2=22/2 multiply by 2

z+4=22

z=22-4

z=18

Z=18

Depends on the equation set up

If

(z+4)÷2=11

Multiply both sides by 2

(z+4)= 22

Subtract 4 from both sides

z=18

Or

z+4÷2=11

Z+2=11

z=9

9

Try cross multiplication