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10z-4=2(52-2)
We move all terms to the left:
10z-4-(2(52-2))=0
We add all the numbers together, and all the variables
10z-4-(250)=0
We add all the numbers together, and all the variables
10z-254=0
We move all terms containing z to the left, all other terms to the right
10z=254
z=254/10
z=25+2/5
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