3a+9b+6=

Solution for 3a+9b+6= equation:

Simplifying
3a + 9b + 6 = 0

Reorder the terms:
6 + 3a + 9b = 0

Solving
6 + 3a + 9b = 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 + 3a + -6 + 9b = 0 + -6

Reorder the terms:
6 + -6 + 3a + 9b = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 3a + 9b = 0 + -6
3a + 9b = 0 + -6

Combine like terms: 0 + -6 = -6
3a + 9b = -6

Add '-9b' to each side of the equation.
3a + 9b + -9b = -6 + -9b

Combine like terms: 9b + -9b = 0
3a + 0 = -6 + -9b
3a = -6 + -9b

Divide each side by '3'.
a = -2 + -3b

Simplifying
a = -2 + -3b