Respuesta :
Answer: -3/10
Step-by-step explanation: A positive and a negative will subtract.
1. Find the common denominator (8/10)
2. simce 8/10 is greater than 1/2 you need to add a negative to get 8/10 a lower value
3. subtract 5/10 or 1/2 from 8/10 to figure out what gives you the correct answer
Answer:
-0.3
Step-by-step explanation:
4/5 +x= 1/2
0.8+ x= 0.5
-0.8. -0.8
‐--------------------
X= -0.3
