−16z−19=−12z+9

In order to solve the equation, we need to isolate the variable z on one side of the equation.

Starting with the given equation:
-16z - 19 = -12z + 9

First, we can combine like terms by adding 12z to both sides of the equation:
-4z - 19 = 9

Next, we can isolate -4z by adding 19 to both sides of the equation:
-4z = 9 + 19
-4z = 28

Finally, we can solve for z by dividing both sides of the equation by -4:
z = 28 / -4
z = -7

Therefore, the solution to the equation is z = -7.