-8(4a+9)=

Solution for -8(4a+9)= equation:

Simplifying
-8(4a + 9) = 0

Reorder the terms:
-8(9 + 4a) = 0
(9 * -8 + 4a * -8) = 0
(-72 + -32a) = 0

Solving
-72 + -32a = 0

Solving for variable 'a'.

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

Add '72' to each side of the equation.
-72 + 72 + -32a = 0 + 72

Combine like terms: -72 + 72 = 0
0 + -32a = 0 + 72
-32a = 0 + 72

Combine like terms: 0 + 72 = 72
-32a = 72

Divide each side by '-32'.
a = -2.25

Simplifying
a = -2.25