6.Simplify.Write your answer without parentheses. 7.Simplify.8.The sum of two numbers is One number is times as large as the other. What are the numbers? 9.Simplify.Use only positive exponents in your answer. 10.Hong bought a desktop computer and a laptop computer. Before finance charges, the laptop cost less than the desktop. He paid for the computers using two different financing plans. For the desktop theinterest rate was per year, and for the laptop it was per year. The total finance charges for oneyear were How much did each computer cost before finance charges? 11.Solve the following system of equations.