3(3-2b)-3(3b-6)=-4

Solution for 3(3-2b)-3(3b-6)=-4 equation:

Simplifying
3(3 + -2b) + -3(3b + -6) = -4
(3 * 3 + -2b * 3) + -3(3b + -6) = -4
(9 + -6b) + -3(3b + -6) = -4

Reorder the terms:
9 + -6b + -3(-6 + 3b) = -4
9 + -6b + (-6 * -3 + 3b * -3) = -4
9 + -6b + (18 + -9b) = -4

Reorder the terms:
9 + 18 + -6b + -9b = -4

Combine like terms: 9 + 18 = 27
27 + -6b + -9b = -4

Combine like terms: -6b + -9b = -15b
27 + -15b = -4

Solving
27 + -15b = -4

Solving for variable 'b'.

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

Add '-27' to each side of the equation.
27 + -27 + -15b = -4 + -27

Combine like terms: 27 + -27 = 0
0 + -15b = -4 + -27
-15b = -4 + -27

Combine like terms: -4 + -27 = -31
-15b = -31

Divide each side by '-15'.
b = 2.066666667

Simplifying
b = 2.066666667