9a-6=3a+4a

Solution for 9a-6=3a+4a equation:

Simplifying
9a + -6 = 3a + 4a

Reorder the terms:
-6 + 9a = 3a + 4a

Combine like terms: 3a + 4a = 7a
-6 + 9a = 7a

Solving
-6 + 9a = 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
-6 + 9a + -7a = 7a + -7a

Combine like terms: 9a + -7a = 2a
-6 + 2a = 7a + -7a

Combine like terms: 7a + -7a = 0
-6 + 2a = 0

Add '6' to each side of the equation.
-6 + 6 + 2a = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 2a = 0 + 6
2a = 0 + 6

Combine like terms: 0 + 6 = 6
2a = 6

Divide each side by '2'.
a = 3

Simplifying
a = 3