3z-z=4

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Solution for 3z-z=4 equation: 


Simplifying
3z + -1z = 4

Combine like terms: 3z + -1z = 2z
2z = 4

Solving
2z = 4

Solving for variable 'z'.

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

Divide each side by '2'.
z = 2

Simplifying
z = 2

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