2z-6=-12
Add 6 to both sides of the equation.
2z=-12+6
Add -12 and 6.
2z=-6
2z=-6
Divide each term in 2z=-6 by 2.
2z2=-62
Cancel the common factor of 2.
Cancel the common factor.
2z2=-62
Divide z by 1.
z=-62
z=-62
Divide -6 by 2.
z=-3
z=-3
Solve for z 2z-6=-12