z+9+8z-9=180

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Solution for z+9+8z-9=180 equation: 


Simplifying
z + 9 + 8z + -9 = 180

Reorder the terms:
9 + -9 + z + 8z = 180

Combine like terms: 9 + -9 = 0
0 + z + 8z = 180
z + 8z = 180

Combine like terms: z + 8z = 9z
9z = 180

Solving
9z = 180

Solving for variable 'z'.

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

Divide each side by '9'.
z = 20

Simplifying
z = 20

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