(12b+4)-(-8b)=

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Solution for (12b+4)-(-8b)= equation:


Simplifying
(12b + 4) + -1(-8b) = 0

Reorder the terms:
(4 + 12b) + -1(-8b) = 0

Remove parenthesis around (4 + 12b)
4 + 12b + -1(-8b) = 0

Remove parenthesis around (-8b)
4 + 12b + -1 * -8b = 0

Multiply -1 * -8
4 + 12b + 8b = 0

Combine like terms: 12b + 8b = 20b
4 + 20b = 0

Solving
4 + 20b = 0

Solving for variable 'b'.

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

Add '-4' to each side of the equation.
4 + -4 + 20b = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 20b = 0 + -4
20b = 0 + -4

Combine like terms: 0 + -4 = -4
20b = -4

Divide each side by '20'.
b = -0.2

Simplifying
b = -0.2

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