(-r-s)-(-s-r)=

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Solution for (-r-s)-(-s-r)= equation:


Simplifying
(-1r + -1s) + -1(-1s + -1r) = 0

Remove parenthesis around (-1r + -1s)
-1r + -1s + -1(-1s + -1r) = 0

Reorder the terms:
-1r + -1s + -1(-1r + -1s) = 0
-1r + -1s + (-1r * -1 + -1s * -1) = 0
-1r + -1s + (1r + 1s) = 0

Reorder the terms:
-1r + 1r + -1s + 1s = 0

Combine like terms: -1r + 1r = 0
0 + -1s + 1s = 0
-1s + 1s = 0

Combine like terms: -1s + 1s = 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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