Answer:
Bryan needs 9 cups more.
Explanation:
Bryan is cooking cupcakes for a bake sale at his club. The recipe calls for 12 cups of flour.
Number of cups of flour, he already has = 3
Lets say he needs x cups more.
So, equation forms =
![12=x+3](https://img.qammunity.org/2020/formulas/mathematics/high-school/uk9krh1qhvhso39oxfo6zu5iyrgyteohwq.png)
=>
![12-3=x](https://img.qammunity.org/2020/formulas/mathematics/high-school/1sxbnzt24qenouu7w5ayckxwt5tv7vthzc.png)
x = 9
Hence, Bryan needs 9 cups more.