z+(z-6)=-10

Solution for z+(z-6)=-10 equation:

Simplifying
z + (z + -6) = -10

Reorder the terms:
z + (-6 + z) = -10

Remove parenthesis around (-6 + z)
z + -6 + z = -10

Reorder the terms:
-6 + z + z = -10

Combine like terms: z + z = 2z
-6 + 2z = -10

Solving
-6 + 2z = -10

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 = -10 + 6

Combine like terms: -6 + 6 = 0
0 + 2z = -10 + 6
2z = -10 + 6

Combine like terms: -10 + 6 = -4
2z = -4

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

Simplifying
z = -2