8r+12(-r)=

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Solution for 8r+12(-r)= equation: 


Simplifying
8r + 12(-1r) = 0

Remove parenthesis around (-1r)
8r + 12 * -1r = 0

Multiply 12 * -1
8r + -12r = 0

Combine like terms: 8r + -12r = -4r
-4r = 0

Solving
-4r = 0

Solving for variable 'r'.

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

Divide each side by '-4'.
r = 0

Simplifying
r = 0

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