8z-1=9z-1

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Solution for 8z-1=9z-1 equation:


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

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

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

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

Combine like terms: -1 + 1 = 0
0 + 8z = -1 + 1 + 9z
8z = -1 + 1 + 9z

Combine like terms: -1 + 1 = 0
8z = 0 + 9z
8z = 9z

Solving
8z = 9z

Solving for variable 'z'.

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

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

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

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

Divide each side by '-1'.
z = 0

Simplifying
z = 0

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