-9=-6+z

Solution for -9=-6+z equation:

Simplifying
-9 = -6 + z

Solving
-9 = -6 + 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.
-9 + -1z = -6 + z + -1z

Combine like terms: z + -1z = 0
-9 + -1z = -6 + 0
-9 + -1z = -6

Add '9' to each side of the equation.
-9 + 9 + -1z = -6 + 9

Combine like terms: -9 + 9 = 0
0 + -1z = -6 + 9
-1z = -6 + 9

Combine like terms: -6 + 9 = 3
-1z = 3

Divide each side by '-1'.
z = -3

Simplifying
z = -3