-3+3(3r+3)=

Solution for -3+3(3r+3)= equation:

Simplifying
-3 + 3(3r + 3) = 0

Reorder the terms:
-3 + 3(3 + 3r) = 0
-3 + (3 * 3 + 3r * 3) = 0
-3 + (9 + 9r) = 0

Combine like terms: -3 + 9 = 6
6 + 9r = 0

Solving
6 + 9r = 0

Solving for variable 'r'.

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

Add '-6' to each side of the equation.
6 + -6 + 9r = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 9r = 0 + -6
9r = 0 + -6

Combine like terms: 0 + -6 = -6
9r = -6

Divide each side by '9'.
r = -0.6666666667

Simplifying
r = -0.6666666667