z-9z=7z-9-z

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Solution for z-9z=7z-9-z equation:


Simplifying
z + -9z = 7z + -9 + -1z

Combine like terms: z + -9z = -8z
-8z = 7z + -9 + -1z

Reorder the terms:
-8z = -9 + 7z + -1z

Combine like terms: 7z + -1z = 6z
-8z = -9 + 6z

Solving
-8z = -9 + 6z

Solving for variable 'z'.

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

Add '-6z' to each side of the equation.
-8z + -6z = -9 + 6z + -6z

Combine like terms: -8z + -6z = -14z
-14z = -9 + 6z + -6z

Combine like terms: 6z + -6z = 0
-14z = -9 + 0
-14z = -9

Divide each side by '-14'.
z = 0.6428571429

Simplifying
z = 0.6428571429

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