r+(-18r)+18r=-18

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Solution for r+(-18r)+18r=-18 equation: 


Simplifying
r + (-18r) + 18r = -18

Combine like terms: r + (-18r) = -17r
-17r + 18r = -18

Combine like terms: -17r + 18r = 1r
1r = -18

Solving
1r = -18

Solving for variable 'r'.

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

Divide each side by '1'.
r = -18

Simplifying
r = -18

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