-8z-9=z

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Solution for -8z-9=z equation:


Simplifying
-8z + -9 = z

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

Solving
-9 + -8z = z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
-9 + -8z + -1z = z + -1z

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

Combine like terms: z + -1z = 0
-9 + -9z = 0

Add '9' to each side of the equation.
-9 + 9 + -9z = 0 + 9

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

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

Divide each side by '-9'.
z = -1

Simplifying
z = -1

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