12a+(5+a)=

Solution for 12a+(5+a)= equation:

Simplifying
12a + (5 + a) = 0

Remove parenthesis around (5 + a)
12a + 5 + a = 0

Reorder the terms:
5 + 12a + a = 0

Combine like terms: 12a + a = 13a
5 + 13a = 0

Solving
5 + 13a = 0

Solving for variable 'a'.

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

Add '-5' to each side of the equation.
5 + -5 + 13a = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 13a = 0 + -5
13a = 0 + -5

Combine like terms: 0 + -5 = -5
13a = -5

Divide each side by '13'.
a = -0.3846153846

Simplifying
a = -0.3846153846