(5a+6a)+(7a-6)=

Solution for (5a+6a)+(7a-6)= equation:

Simplifying
(5a + 6a) + (7a + -6) = 0

Combine like terms: 5a + 6a = 11a
(11a) + (7a + -6) = 0
(11a) + (7a + -6) = 0

Reorder the terms:
(11a) + (-6 + 7a) = 0

Remove parenthesis around (-6 + 7a)
(11a) + -6 + 7a = 0

Reorder the terms:
-6 + (11a) + 7a = 0

Combine like terms: (11a) + 7a = 18a
-6 + 18a = 0

Solving
-6 + 18a = 0

Solving for variable 'a'.

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

Add '6' to each side of the equation.
-6 + 6 + 18a = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 18a = 0 + 6
18a = 0 + 6

Combine like terms: 0 + 6 = 6
18a = 6

Divide each side by '18'.
a = 0.3333333333

Simplifying
a = 0.3333333333