z+(z+6)=

Solution for z+(z+6)= equation:

Simplifying
z + (z + 6) = 0

Reorder the terms:
z + (6 + z) = 0

Remove parenthesis around (6 + z)
z + 6 + z = 0

Reorder the terms:
6 + z + z = 0

Combine like terms: z + z = 2z
6 + 2z = 0

Solving
6 + 2z = 0

Solving for variable 'z'.

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

Add '-6' to each side of the equation.
6 + -6 + 2z = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 2z = 0 + -6
2z = 0 + -6

Combine like terms: 0 + -6 = -6
2z = -6

Divide each side by '2'.
z = -3

Simplifying
z = -3