(4a-6)+(9a+2)=

Solution for (4a-6)+(9a+2)= equation:

Simplifying
(4a + -6) + (9a + 2) = 0

Reorder the terms:
(-6 + 4a) + (9a + 2) = 0

Remove parenthesis around (-6 + 4a)
-6 + 4a + (9a + 2) = 0

Reorder the terms:
-6 + 4a + (2 + 9a) = 0

Remove parenthesis around (2 + 9a)
-6 + 4a + 2 + 9a = 0

Reorder the terms:
-6 + 2 + 4a + 9a = 0

Combine like terms: -6 + 2 = -4
-4 + 4a + 9a = 0

Combine like terms: 4a + 9a = 13a
-4 + 13a = 0

Solving
-4 + 13a = 0

Solving for variable 'a'.

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

Add '4' to each side of the equation.
-4 + 4 + 13a = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 13a = 0 + 4
13a = 0 + 4

Combine like terms: 0 + 4 = 4
13a = 4

Divide each side by '13'.
a = 0.3076923077

Simplifying
a = 0.3076923077