Question

2/3t + v = r solve for t

Answer 1

2/3t + v = r

subtract v from both sides:
2/3t + v - v= r - v
2/3t = r - v

multiply 3/2 to both sides:
(3/2)(2/3t) = 3/2(r - v)
t = 3/2(r - v)