Respuesta :

16-2r=3r+1
-16. -16

2r=3r-15
-3r. -3r

-r=-15
/-1. /-1

r=15
anax11
16-2r=3r+1
Take the one over to make it a negative
Now you have
15-2r=3r
Then take the -2r to the other side to make it positive
15=5r
Then divide each other by the 5
15/5=3
5/5=1

r=3