3r=12r

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Solution for 3r=12r equation:


Simplifying
3r = 12r

Solving
3r = 12r

Solving for variable 'r'.

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

Add '-12r' to each side of the equation.
3r + -12r = 12r + -12r

Combine like terms: 3r + -12r = -9r
-9r = 12r + -12r

Combine like terms: 12r + -12r = 0
-9r = 0

Divide each side by '-9'.
r = 0

Simplifying
r = 0

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