11r-12r=-3

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Solution for 11r-12r=-3 equation: 


Simplifying
11r + -12r = -3

Combine like terms: 11r + -12r = -1r
-1r = -3

Solving
-1r = -3

Solving for variable 'r'.

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

Divide each side by '-1'.
r = 3

Simplifying
r = 3

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