0=-10 this is not possible so the answer is no solution
Answer:
a
Step-by-step explanation:
because the rest aren't true
so 21 - 13, the money will be invested for 8 years.

by solving the first equation you'll get x= -24/13
if you solve the second option (B) then you'll the same result i.e x=-24/13
so option C is correct