6=-3a-3a

Solution for 6=-3a-3a equation:

Simplifying
6 = -3a + -3a

Combine like terms: -3a + -3a = -6a
6 = -6a

Solving
6 = -6a

Solving for variable 'a'.

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

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

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

Add '-6' to each side of the equation.
6 + -6 + 6a = 0 + -6

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

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

Divide each side by '6'.
a = -1

Simplifying
a = -1