13-3(-3-6b)=

Solution for 13-3(-3-6b)= equation:

Simplifying
13 + -3(-3 + -6b) = 0
13 + (-3 * -3 + -6b * -3) = 0
13 + (9 + 18b) = 0

Combine like terms: 13 + 9 = 22
22 + 18b = 0

Solving
22 + 18b = 0

Solving for variable 'b'.

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

Add '-22' to each side of the equation.
22 + -22 + 18b = 0 + -22

Combine like terms: 22 + -22 = 0
0 + 18b = 0 + -22
18b = 0 + -22

Combine like terms: 0 + -22 = -22
18b = -22

Divide each side by '18'.
b = -1.222222222

Simplifying
b = -1.222222222