12(4a+13)=

Solution for 12(4a+13)= equation:

Simplifying
12(4a + 13) = 0

Reorder the terms:
12(13 + 4a) = 0
(13 * 12 + 4a * 12) = 0
(156 + 48a) = 0

Solving
156 + 48a = 0

Solving for variable 'a'.

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

Add '-156' to each side of the equation.
156 + -156 + 48a = 0 + -156

Combine like terms: 156 + -156 = 0
0 + 48a = 0 + -156
48a = 0 + -156

Combine like terms: 0 + -156 = -156
48a = -156

Divide each side by '48'.
a = -3.25

Simplifying
a = -3.25