-2z-0z=-4

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


Simplifying
-2z + 0z = -4

Anything times zero is zero.
-2z + 0z = -4

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