7z+13z=140

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Solution for 7z+13z=140 equation: 


Simplifying
7z + 13z = 140

Combine like terms: 7z + 13z = 20z
20z = 140

Solving
20z = 140

Solving for variable 'z'.

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

Divide each side by '20'.
z = 7

Simplifying
z = 7

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