7z-5z-4z=

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Solution for 7z-5z-4z= equation: 


Simplifying
7z + -5z + -4z = 0

Combine like terms: 7z + -5z = 2z
2z + -4z = 0

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

Solving
-2z = 0

Solving for variable 'z'.

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

Divide each side by '-2'.
z = 0

Simplifying
z = 0

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