6r+3(2r+1)=

Solution for 6r+3(2r+1)= equation:

Simplifying
6r + 3(2r + 1) = 0

Reorder the terms:
6r + 3(1 + 2r) = 0
6r + (1 * 3 + 2r * 3) = 0
6r + (3 + 6r) = 0

Reorder the terms:
3 + 6r + 6r = 0

Combine like terms: 6r + 6r = 12r
3 + 12r = 0

Solving
3 + 12r = 0

Solving for variable 'r'.

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

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

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

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

Divide each side by '12'.
r = -0.25

Simplifying
r = -0.25