3r-24=12

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Solution for 3r-24=12 equation: 


Simplifying
3r + -24 = 12

Reorder the terms:
-24 + 3r = 12

Solving
-24 + 3r = 12

Solving for variable 'r'.

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

Add '24' to each side of the equation.
-24 + 24 + 3r = 12 + 24

Combine like terms: -24 + 24 = 0
0 + 3r = 12 + 24
3r = 12 + 24

Combine like terms: 12 + 24 = 36
3r = 36

Divide each side by '3'.
r = 12

Simplifying
r = 12

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