-10.5r=-31.5

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Solution for -10.5r=-31.5 equation: 


Simplifying
-10.5r = -31.5

Solving
-10.5r = -31.5

Solving for variable 'r'.

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

Divide each side by '-10.5'.
r = 3

Simplifying
r = 3

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