z-z+z+z-z=8

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Solution for z-z+z+z-z=8 equation: 


Simplifying
z + -1z + z + z + -1z = 8

Combine like terms: z + -1z = 0
0 + z + z + -1z = 8
z + z + -1z = 8

Combine like terms: z + z = 2z
2z + -1z = 8

Combine like terms: 2z + -1z = 1z
1z = 8

Solving
1z = 8

Solving for variable 'z'.

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

Divide each side by '1'.
z = 8

Simplifying
z = 8

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