Consider the following pair of equations y = 3x + 3 and y = 3 - 1 explain how you solve the pair of equations by substitution show all the steps and write the solution and XY form

Margaret is purchasing a house for $210,000 with a 15 year fixed rate mortgage at 4.75% interest she has made a 5% down payment the house is valued at 205,000 and the local tax rate is 3.5% homeowners insurance 600 per year what are her total monthly payment