12r-4r=8

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Solution for 12r-4r=8 equation: 


Simplifying
12r + -4r = 8

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

Solving
8r = 8

Solving for variable 'r'.

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

Divide each side by '8'.
r = 1

Simplifying
r = 1

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