Mila has $29 to spend at the sporting goods store. She buys a T-shirt that costs $15. She also wants to buy a soccer ball for $12, a baseball cap for $8, a set of shin guards for $15, or a water bottle for $6. Use the equation $15 + C = $29, where C is the item's cost, to find the most expensive item Mila can buy.

Select the equation that has 9 as the solution.

A number, N, when added to 21 equals negative 14. Which equation represents this situation?

Negative 6 plus a number equals 11 can be solved using the equation

A number minus 12 equals negative 9. What is the number?