6-3(-3a-1)=5+a

Solution for 6-3(-3a-1)=5+a equation:

Simplifying
6 + -3(-3a + -1) = 5 + a

Reorder the terms:
6 + -3(-1 + -3a) = 5 + a
6 + (-1 * -3 + -3a * -3) = 5 + a
6 + (3 + 9a) = 5 + a

Combine like terms: 6 + 3 = 9
9 + 9a = 5 + a

Solving
9 + 9a = 5 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
9 + 9a + -1a = 5 + a + -1a

Combine like terms: 9a + -1a = 8a
9 + 8a = 5 + a + -1a

Combine like terms: a + -1a = 0
9 + 8a = 5 + 0
9 + 8a = 5

Add '-9' to each side of the equation.
9 + -9 + 8a = 5 + -9

Combine like terms: 9 + -9 = 0
0 + 8a = 5 + -9
8a = 5 + -9

Combine like terms: 5 + -9 = -4
8a = -4

Divide each side by '8'.
a = -0.5

Simplifying
a = -0.5