Respuesta :
					                   Divide 0.07 from -21 to isolate Z and you will receive the answer for Z. 
Answer should be 300.
300 = Z
					                
					                
					             Answer should be 300.
300 = Z
Answer:
-300
Step-by-step explanation:
Divide by 0.07 on both sides
-300 = z
You can prove this by multiplying 0.07 by -300
0.07(-300) = -21
I hope this helps!!