9a+6=4a+15

Solution for 9a+6=4a+15 equation:

Simplifying
9a + 6 = 4a + 15

Reorder the terms:
6 + 9a = 4a + 15

Reorder the terms:
6 + 9a = 15 + 4a

Solving
6 + 9a = 15 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
6 + 9a + -4a = 15 + 4a + -4a

Combine like terms: 9a + -4a = 5a
6 + 5a = 15 + 4a + -4a

Combine like terms: 4a + -4a = 0
6 + 5a = 15 + 0
6 + 5a = 15

Add '-6' to each side of the equation.
6 + -6 + 5a = 15 + -6

Combine like terms: 6 + -6 = 0
0 + 5a = 15 + -6
5a = 15 + -6

Combine like terms: 15 + -6 = 9
5a = 9

Divide each side by '5'.
a = 1.8

Simplifying
a = 1.8