Respuesta :
Step-by-step explanation:
ANSWER:-
[tex] \sf{3 -2 \times r \: = 5}[/tex]
[tex] \sf{3 - 2r = 5}[/tex]
[tex] \sf{ - 2r = 5 - 3}[/tex]
[tex] \sf{ - 2r = 2}[/tex]
[tex] \sf{ r = \dfrac{\cancel{2}}{\cancel{-2}}}[/tex]
[tex] \boxed{ \bf{r = - 1}}[/tex]