eric's piggy bank contains 2$ and she plans to add 0.50 each week jens piggy bank contains 10.75 and she plans to withdraw each week, after how many weeks will the piggy banks contain the equal amount of money

If you need an equation, it would be y=2x+8, y would be how long it grew, x being weeks.if you need how long he was asleep, it would be 4 weeks if he started with no beard, the equation would be x=8÷2if he did have a beard before hand, the equation would be 2w+x=8