It equals 5/6. If you want to know why, just ask me.
8c -c= 7c
7c+6=48
7c=42
c=6
CHECK:
8(6)-(6)+6=48
48-6=42
42+6=48
48=48
By order of operation
5+1x10
5+10
15
By normal solving
5+1x10
6x10
60
Answer:
20
Step-by-step explanation:
Using the rule of radicals
×
⇔ 
Given
× 
= 
= 
= 20