5a-6+4a-9=

Solution for 5a-6+4a-9= equation:

Simplifying
5a + -6 + 4a + -9 = 0

Reorder the terms:
-6 + -9 + 5a + 4a = 0

Combine like terms: -6 + -9 = -15
-15 + 5a + 4a = 0

Combine like terms: 5a + 4a = 9a
-15 + 9a = 0

Solving
-15 + 9a = 0

Solving for variable 'a'.

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

Add '15' to each side of the equation.
-15 + 15 + 9a = 0 + 15

Combine like terms: -15 + 15 = 0
0 + 9a = 0 + 15
9a = 0 + 15

Combine like terms: 0 + 15 = 15
9a = 15

Divide each side by '9'.
a = 1.666666667

Simplifying
a = 1.666666667