3(-3a-1)=

Solution for 3(-3a-1)= equation:

Simplifying
3(-3a + -1) = 0

Reorder the terms:
3(-1 + -3a) = 0
(-1 * 3 + -3a * 3) = 0
(-3 + -9a) = 0

Solving
-3 + -9a = 0

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + -9a = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -9a = 0 + 3
-9a = 0 + 3

Combine like terms: 0 + 3 = 3
-9a = 3

Divide each side by '-9'.
a = -0.3333333333

Simplifying
a = -0.3333333333