what is the solution to z+9=-18

1 answer

The solution is -27.

To solve for z, we need to isolate it on one side of the equation.

Starting with z + 9 = -18:

1. Subtract 9 from both sides:

z + 9 - 9 = -18 - 9

z = -27

So z = -27 is the solution to the equation.