Question

How do you solve: -1+7n>-4(-7n-5)
Having problems on the first step..
Thanks for your help!!

Answer 1

    -1 + 7n > -4(-7n - 5) 
   - 1 + 7n > 28n + 20 
        - 28n - 28n
---------------------------------
    -1 - 21n > 20 
  + 1            +  1
---------------------------
     -21n > 21
    -------- -------
     -21      -21
    
         n > -1