2z-7z=9z-9+8z

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Solution for 2z-7z=9z-9+8z equation:


Simplifying
2z + -7z = 9z + -9 + 8z

Combine like terms: 2z + -7z = -5z
-5z = 9z + -9 + 8z

Reorder the terms:
-5z = -9 + 9z + 8z

Combine like terms: 9z + 8z = 17z
-5z = -9 + 17z

Solving
-5z = -9 + 17z

Solving for variable 'z'.

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

Add '-17z' to each side of the equation.
-5z + -17z = -9 + 17z + -17z

Combine like terms: -5z + -17z = -22z
-22z = -9 + 17z + -17z

Combine like terms: 17z + -17z = 0
-22z = -9 + 0
-22z = -9

Divide each side by '-22'.
z = 0.4090909091

Simplifying
z = 0.4090909091

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