Answer:
z=-7.5
Step-by-step explanation:
z = -7.5
First you have to simplify the equation:
0.8z = -6
Then you have to isolate the z, and to do so you have to divide both sides by 0.8.
0.8/0.8z = -6/0.8
The answer then comes out to be z = -7.5
the answer is 422.1
Hope it helps
