Help please. ​

First, combine like terms

 

0.75r-0.125=0.5+r

 

Subtract 0.75r from each side

 

-0.125=0.5+0.25r

 

Subtract 0.5 from both sides

 

-0.625=0.25r

 

Divide -0.625 by 0.25 to get -2.5

 

r=-2.5