7z+14z=168

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Solution for 7z+14z=168 equation: 


Simplifying
7z + 14z = 168

Combine like terms: 7z + 14z = 21z
21z = 168

Solving
21z = 168

Solving for variable 'z'.

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

Divide each side by '21'.
z = 8

Simplifying
z = 8

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