9-19=-2z
Rewrite the equation as -2z=9-19.
-2z=9-19
Subtract 19 from 9.
-2z=-10
Divide each term in -2z=-10 by -2.
-2z-2=-10-2
Cancel the common factor of -2.
Cancel the common factor.
-2z-2=-10-2
Divide z by 1.
z=-10-2
z=-10-2
Divide -10 by -2.
z=5
z=5
Solve for z 9-19=-2z