Andrew bought 7 bundles of drawing sheets that each cost the same amount of money. The tax on his purchase was $1. He spent a total of $15. Find the cost of each bundle of drawing sheets. Which statement correctly describes how to solve the problem algebraically? Answer Choices Subtract $1 from $15 and then add 7. Subtract $1 from $15 and then subtract 7. Solve the equation 7x−1=15 where x is the cost of each bundle of drawing sheets. Solve the equation 7x+1=15 where x is the cost of each bundle of drawing sheets.