13z+18=57

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Solution for 13z+18=57 equation: 



13z+18=57

We move all terms to the left:

13z+18-(57)=0

We add all the numbers together, and all the variables

13z-39=0

We move all terms containing z to the left, all other terms to the right

13z=39

z=39/13

z=3

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