9(r-s)-9(r+s)=

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Solution for 9(r-s)-9(r+s)= equation: 


Simplifying
9(r + -1s) + -9(r + s) = 0
(r * 9 + -1s * 9) + -9(r + s) = 0
(9r + -9s) + -9(r + s) = 0
9r + -9s + (r * -9 + s * -9) = 0
9r + -9s + (-9r + -9s) = 0

Reorder the terms:
9r + -9r + -9s + -9s = 0

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

Combine like terms: -9s + -9s = -18s
-18s = 0

Solving
-18s = 0

Solving for variable 's'.

Move all terms containing s to the left, all other terms to the right.

Divide each side by '-18'.
s = 0

Simplifying
s = 0

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