Answer:
Step-by-step explanation:
Here you go mate
Step 1
5c-20<15c+10 Equation
Step 2
5c-20<15c+10 simplify
5c-20<15c+10
Step 3
5c-20<15c+10 subtract 15c
-10c-20<10
Step 4
-10c-20<10 Add 20
-10c<30
Step 5
-10c<30 divide by -10
answer
c>-3
Hope this helps