8=z-1

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Solution for 8=z-1 equation:


Simplifying
8 = z + -1

Reorder the terms:
8 = -1 + z

Solving
8 = -1 + 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.
8 + -1z = -1 + z + -1z

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

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

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

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

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

Simplifying
z = 9

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