2z-z=4

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Solution for 2z-z=4 equation: 


Simplifying
2z + -1z = 4

Combine like terms: 2z + -1z = 1z
1z = 4

Solving
1z = 4

Solving for variable 'z'.

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

Divide each side by '1'.
z = 4

Simplifying
z = 4

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