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(z/2)+1=4
We move all terms to the left:
(z/2)+1-(4)=0
We add all the numbers together, and all the variables
(+z/2)+1-4=0
We add all the numbers together, and all the variables
(+z/2)-3=0
We get rid of parentheses
z/2-3=0
We multiply all the terms by the denominator
z-3*2=0
We add all the numbers together, and all the variables
z-6=0
We move all terms containing z to the left, all other terms to the right
z=6
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