6-12=z

Solution for 6-12=z equation:

Simplifying
6 + -12 = z

Combine like terms: 6 + -12 = -6
-6 = z

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

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

Add '6' to each side of the equation.
-6 + 6 + -1z = 0 + 6

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

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

Divide each side by '-1'.
z = -6

Simplifying
z = -6