13z+-7z+-z=20

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Solution for 13z+-7z+-z=20 equation: 



13z+-7z+-z=20

We move all terms to the left:

13z+-7z+-z-(20)=0

determiningTheFunctionDomain
13z-7z-z-20++=0

We add all the numbers together, and all the variables

5z=0

z=0/5

z=0

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