I need help with this i cant cuaet understand it well.​

2x minus y equals 6, x plus y equals negative 3

Tim open up a new saving account with a $50 deposit and plant to deposit $20 per week into the same account.write an expression to represent the total amount in his savings account.

Find the distance from the theater to the library. leave your answer in simplest radical form if necessary. 12 √12 74 √74