-13a+6-9a+12a=

Solution for -13a+6-9a+12a= equation:

Simplifying
-13a + 6 + -9a + 12a = 0

Reorder the terms:
6 + -13a + -9a + 12a = 0

Combine like terms: -13a + -9a = -22a
6 + -22a + 12a = 0

Combine like terms: -22a + 12a = -10a
6 + -10a = 0

Solving
6 + -10a = 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 + -10a = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -10a = 0 + -6
-10a = 0 + -6

Combine like terms: 0 + -6 = -6
-10a = -6

Divide each side by '-10'.
a = 0.6

Simplifying
a = 0.6