8r-9=-9+8r

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


Simplifying
8r + -9 = -9 + 8r

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

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

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

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

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

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

Combine like terms: 8r + -8r = 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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