12(3)=27(3r)

Solution for 12(3)=27(3r) equation:

Simplifying
12(3) = 27(3r)

Multiply 12 * 3
36 = 27(3r)

Remove parenthesis around (3r)
36 = 27 * 3r

Multiply 27 * 3
36 = 81r

Solving
36 = 81r

Solving for variable 'r'.

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

Add '-81r' to each side of the equation.
36 + -81r = 81r + -81r

Combine like terms: 81r + -81r = 0
36 + -81r = 0

Add '-36' to each side of the equation.
36 + -36 + -81r = 0 + -36

Combine like terms: 36 + -36 = 0
0 + -81r = 0 + -36
-81r = 0 + -36

Combine like terms: 0 + -36 = -36
-81r = -36

Divide each side by '-81'.
r = 0.4444444444

Simplifying
r = 0.4444444444