12r+33=81

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Solution for 12r+33=81 equation: 


Simplifying
12r + 33 = 81

Reorder the terms:
33 + 12r = 81

Solving
33 + 12r = 81

Solving for variable 'r'.

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

Add '-33' to each side of the equation.
33 + -33 + 12r = 81 + -33

Combine like terms: 33 + -33 = 0
0 + 12r = 81 + -33
12r = 81 + -33

Combine like terms: 81 + -33 = 48
12r = 48

Divide each side by '12'.
r = 4

Simplifying
r = 4

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