Answer two questions about Systems A and B: System A
5x +y = 3
4x – 7y = 8
System B
5x+y=3
x+8y=-5
1) How can we get System B from System A?


Pamela has a 30-year, 5.75% mortgage on her $250,000 home. she has been paying on it for 5 years, and has recently hit some financial trouble. if her lender agreed to lower the interest rate on her $231,905.47 balance to 5.5%, what will her new payment be for the remainder of the loan?