Use algebraic rules of equations to predict the solution type to the system of equations. Include all of your work for full credit
x+y=-4
y=2x-1

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.