3R-12R=45

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Solution for 3R-12R=45 equation: 


Simplifying
3R + -12R = 45

Combine like terms: 3R + -12R = -9R
-9R = 45

Solving
-9R = 45

Solving for variable 'R'.

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

Divide each side by '-9'.
R = -5

Simplifying
R = -5

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