James had $$10000$$ dollars, and he deposited ＄$$7000$$ in Bank $$A$$ and ＄$$3000$$ in Bank $$B$$. At the end of the year, James received an interest of＄$$460$$ in total. Given that the sum of the annual interest rates of the two banks is $$10\textbackslash\%$$, find the interest rates of the two banks, respectively. 
Overseas Competition->Knowledge Point->Word Problem Modules->Word Problems in Economics->Interest Problems
Let $$x$$ be the interest rate of bank $$A$$:  $$7000x+3000(10\textbackslash\%-x)=460$$  $$x=4\textbackslash\%$$. 