I have an algebra 1 question, please help?

Jose has 20,000 to invest. He invest x dollars at 4% and rest at 4.5%. Then make an equation for the total amount T Jose will have in one year. Suppose at the end of the year, Jose has 20, 860. How much money did Jose invest in each account? Can you please help me ind an equation that will help me solve the problem. Thank you very much