The x=20000 solution of the equations is as follows: 10%x+8%y=4400.
8%x+ 10%y=4400+200 y=30000
A: The loan with interest 10% is 20,000 yuan, and the loan with interest of 8% is 30,000 yuan. Quadratic equation with one variable. It's a bit difficult to list the linear equations with one variable. ...