-4a-9(3-a)=

Solution for -4a-9(3-a)= equation:

Simplifying
-4a + -9(3 + -1a) = 0
-4a + (3 * -9 + -1a * -9) = 0
-4a + (-27 + 9a) = 0

Reorder the terms:
-27 + -4a + 9a = 0

Combine like terms: -4a + 9a = 5a
-27 + 5a = 0

Solving
-27 + 5a = 0

Solving for variable 'a'.

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

Add '27' to each side of the equation.
-27 + 27 + 5a = 0 + 27

Combine like terms: -27 + 27 = 0
0 + 5a = 0 + 27
5a = 0 + 27

Combine like terms: 0 + 27 = 27
5a = 27

Divide each side by '5'.
a = 5.4

Simplifying
a = 5.4