[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]
let's solve for r :
- [tex] \dfrac{3}{5} (r - 7) = 1[/tex]
- [tex]r - 7 = \dfrac{5}{ 3} [/tex]
- [tex]r = \dfrac{5}{3} + 7[/tex]
- [tex]r = \dfrac{5 + 21}{3} [/tex]
- [tex]r = \dfrac{26}{3} [/tex]
