2z=z-4

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Solution for 2z=z-4 equation: 


Simplifying
2z = z + -4

Reorder the terms:
2z = -4 + z

Solving
2z = -4 + z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
2z + -1z = -4 + z + -1z

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

Combine like terms: z + -1z = 0
1z = -4 + 0
1z = -4

Divide each side by '1'.
z = -4

Simplifying
z = -4

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