First what we must do to get rid of the parantheses
is to distribute the 2 to both numbers inside the parantheses.
-2(2z+1)=26
-4z-2=26
Then we add 2 to both sides
-4z-2=26
-4z=28
Finally we divide both sides by -4
-4z=28
-4z/-4=28/-4
Z=-7
Our final answer is -7
