(13b-6)-3(4b+3)=-5

Solution for (13b-6)-3(4b+3)=-5 equation:

Simplifying
(13b + -6) + -3(4b + 3) = -5

Reorder the terms:
(-6 + 13b) + -3(4b + 3) = -5

Remove parenthesis around (-6 + 13b)
-6 + 13b + -3(4b + 3) = -5

Reorder the terms:
-6 + 13b + -3(3 + 4b) = -5
-6 + 13b + (3 * -3 + 4b * -3) = -5
-6 + 13b + (-9 + -12b) = -5

Reorder the terms:
-6 + -9 + 13b + -12b = -5

Combine like terms: -6 + -9 = -15
-15 + 13b + -12b = -5

Combine like terms: 13b + -12b = 1b
-15 + 1b = -5

Solving
-15 + 1b = -5

Solving for variable 'b'.

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

Add '15' to each side of the equation.
-15 + 15 + 1b = -5 + 15

Combine like terms: -15 + 15 = 0
0 + 1b = -5 + 15
1b = -5 + 15

Combine like terms: -5 + 15 = 10
1b = 10

Divide each side by '1'.
b = 10

Simplifying
b = 10