z-8z=7z-9-z

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Solution for z-8z=7z-9-z equation:


Simplifying
z + -8z = 7z + -9 + -1z

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

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

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

Solving
-7z = -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.
-7z + -6z = -9 + 6z + -6z

Combine like terms: -7z + -6z = -13z
-13z = -9 + 6z + -6z

Combine like terms: 6z + -6z = 0
-13z = -9 + 0
-13z = -9

Divide each side by '-13'.
z = 0.6923076923

Simplifying
z = 0.6923076923

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