3(11r-13)=

Solution for 3(11r-13)= equation:

Simplifying
3(11r + -13) = 0

Reorder the terms:
3(-13 + 11r) = 0
(-13 * 3 + 11r * 3) = 0
(-39 + 33r) = 0

Solving
-39 + 33r = 0

Solving for variable 'r'.

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

Add '39' to each side of the equation.
-39 + 39 + 33r = 0 + 39

Combine like terms: -39 + 39 = 0
0 + 33r = 0 + 39
33r = 0 + 39

Combine like terms: 0 + 39 = 39
33r = 39

Divide each side by '33'.
r = 1.181818182

Simplifying
r = 1.181818182