7z-z=18

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Solution for 7z-z=18 equation: 


Simplifying
7z + -1z = 18

Combine like terms: 7z + -1z = 6z
6z = 18

Solving
6z = 18

Solving for variable 'z'.

Move all terms containing z to the left, all other terms to the right.

Divide each side by '6'.
z = 3

Simplifying
z = 3

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