Respuesta :

The Answer Would Be 0 Because You Distribute The 2(2r+8) 2×2r 4r && 2×8 16
4r+16=3r+16
Subtract 3r Over To 4r
Giving You r Or 1r On The Left Side
r+16=16
Subtract 16
16-16=0
r=0

~Hope This Helps :)
Need More Help With Question Just Inbox Me 
Also Rate, Give Thanks, And Mark As Brainiliest. 
Thank You ;)