2z-4z-4=0

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Solution for 2z-4z-4=0 equation: 


Simplifying
2z + -4z + -4 = 0

Reorder the terms:
-4 + 2z + -4z = 0

Combine like terms: 2z + -4z = -2z
-4 + -2z = 0

Solving
-4 + -2z = 0

Solving for variable 'z'.

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

Add '4' to each side of the equation.
-4 + 4 + -2z = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -2z = 0 + 4
-2z = 0 + 4

Combine like terms: 0 + 4 = 4
-2z = 4

Divide each side by '-2'.
z = -2

Simplifying
z = -2

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