4a+9=6+a

Solution for 4a+9=6+a equation:

Simplifying
4a + 9 = 6 + a

Reorder the terms:
9 + 4a = 6 + a

Solving
9 + 4a = 6 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
9 + 4a + -1a = 6 + a + -1a

Combine like terms: 4a + -1a = 3a
9 + 3a = 6 + a + -1a

Combine like terms: a + -1a = 0
9 + 3a = 6 + 0
9 + 3a = 6

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

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

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

Divide each side by '3'.
a = -1

Simplifying
a = -1