Explaining step by step
a-5<-1
Now , we have to add 5 in both sides then,
a-5+5 <-1+5
Here , -5+5 cancels then we have ,
a < 4 ( 5 is the greater number & it has + sign )
Therefore a=(....0,1,2,3)
Hope ! This helps
Please mark it as the brainliest <3
