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z*8-9=5
We move all terms to the left:
z*8-9-(5)=0
We add all the numbers together, and all the variables
z*8-14=0
Wy multiply elements
8z-14=0
We move all terms containing z to the left, all other terms to the right
8z=14
z=14/8
z=1+3/4
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