(12b+2)-(-3b-4)=

Solution for (12b+2)-(-3b-4)= equation:

Simplifying
(12b + 2) + -1(-3b + -4) = 0

Reorder the terms:
(2 + 12b) + -1(-3b + -4) = 0

Remove parenthesis around (2 + 12b)
2 + 12b + -1(-3b + -4) = 0

Reorder the terms:
2 + 12b + -1(-4 + -3b) = 0
2 + 12b + (-4 * -1 + -3b * -1) = 0
2 + 12b + (4 + 3b) = 0

Reorder the terms:
2 + 4 + 12b + 3b = 0

Combine like terms: 2 + 4 = 6
6 + 12b + 3b = 0

Combine like terms: 12b + 3b = 15b
6 + 15b = 0

Solving
6 + 15b = 0

Solving for variable 'b'.

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

Add '-6' to each side of the equation.
6 + -6 + 15b = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 15b = 0 + -6
15b = 0 + -6

Combine like terms: 0 + -6 = -6
15b = -6

Divide each side by '15'.
b = -0.4

Simplifying
b = -0.4