-8z-9=-9-8z

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


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

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

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

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

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

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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