Dawn has been using two bank accounts to save money for a car. The difference between account 1 and account 2 is $100. If she uses 3/8 of account 1 and 7/8 of account 2, Dawn will have a down payment of $2,000. Solve the system of equations to find the total amount of money Dawn has in each account. A – B = 100 Three-eighthsA + Seven-eighthsB = 2,000 Dawn has $ in account 1 and $ in account 2 multiply each by a number that produces the opposite coefficient for x or y