Answer:
t = 13
Explanation:
By the definition of an isosceles triangle,
Two sides of the isosceles triangle ABC will be equal in measure.
Therefore, AC = BC
Equation for the value of 't' will be,
(2t + 5) = (3t - 8)
3t - 2t = 5 + 8
t = 13
Therefore, t = 13 will be the answer.