9z+8=9z-z

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


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

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

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

Solving
8 + 9z = 8z

Solving for variable 'z'.

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

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

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

Combine like terms: 8z + -8z = 0
8 + 1z = 0

Add '-8' to each side of the equation.
8 + -8 + 1z = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 1z = 0 + -8
1z = 0 + -8

Combine like terms: 0 + -8 = -8
1z = -8

Divide each side by '1'.
z = -8

Simplifying
z = -8

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