8. Simon is saving his money to buy an Xbox. He earn money by mowing lowns for his
neighbors. The situation can be represented using the equation 35x - 2y = -42 where x
represents the number of lawns mowed and y represents the amount of money Simon has in his
bank account.

( explainations are muc appreciated:) )

a. How much money does Simon earn for mowing each lawn?

b. How much money was in Simon's bank account before mowing any lawns?