6=5+6+z+9

Solution for 6=5+6+z+9 equation:

Simplifying
6 = 5 + 6 + z + 9

Reorder the terms:
6 = 5 + 6 + 9 + z

Combine like terms: 5 + 6 = 11
6 = 11 + 9 + z

Combine like terms: 11 + 9 = 20
6 = 20 + z

Solving
6 = 20 + z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
6 + -1z = 20 + z + -1z

Combine like terms: z + -1z = 0
6 + -1z = 20 + 0
6 + -1z = 20

Add '-6' to each side of the equation.
6 + -6 + -1z = 20 + -6

Combine like terms: 6 + -6 = 0
0 + -1z = 20 + -6
-1z = 20 + -6

Combine like terms: 20 + -6 = 14
-1z = 14

Divide each side by '-1'.
z = -14

Simplifying
z = -14