Question 1012145
Isolate the r
ar-3r=-6t-2
r(a-3)=-6t-2
r=-(6t+2))/(a-3)
I missed the ar at the beginning.
let r=2 and a =5
10+2=6-6t
12=-6t
6=-6t
t= -1
4/2=2 for r