-8=z-9

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Solution for -8=z-9 equation:


Simplifying
-8 = z + -9

Reorder the terms:
-8 = -9 + z

Solving
-8 = -9 + 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 = -9 + z + -1z

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

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

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

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

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

Simplifying
z = 1

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