9a+6=12+3a

Solution for 9a+6=12+3a equation:

Simplifying
9a + 6 = 12 + 3a

Reorder the terms:
6 + 9a = 12 + 3a

Solving
6 + 9a = 12 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
6 + 9a + -3a = 12 + 3a + -3a

Combine like terms: 9a + -3a = 6a
6 + 6a = 12 + 3a + -3a

Combine like terms: 3a + -3a = 0
6 + 6a = 12 + 0
6 + 6a = 12

Add '-6' to each side of the equation.
6 + -6 + 6a = 12 + -6

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

Combine like terms: 12 + -6 = 6
6a = 6

Divide each side by '6'.
a = 1

Simplifying
a = 1