3r-12=0

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Solution for 3r-12=0 equation:


Simplifying
3r + -12 = 0

Reorder the terms:
-12 + 3r = 0

Solving
-12 + 3r = 0

Solving for variable 'r'.

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

Add '12' to each side of the equation.
-12 + 12 + 3r = 0 + 12

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

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

Divide each side by '3'.
r = 4

Simplifying
r = 4

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