15a+6+9a=

Solution for 15a+6+9a= equation:

Simplifying
15a + 6 + 9a = 0

Reorder the terms:
6 + 15a + 9a = 0

Combine like terms: 15a + 9a = 24a
6 + 24a = 0

Solving
6 + 24a = 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 + 24a = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 24a = 0 + -6
24a = 0 + -6

Combine like terms: 0 + -6 = -6
24a = -6

Divide each side by '24'.
a = -0.25

Simplifying
a = -0.25