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Item 18 You are baking brownies for your class. There are 28 total students in your class and you have baked 23 brownies. Write and solve an equation to find the additional number x of brownies you need to bake in order to have 2 brownies for each student. Write your equation so that the units on each side of the equation are brownies per student

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mathstudent55
You have baked 23 brownies, and you need x more.
The total number of brownies you will bake is x + 23.

There are 28 students, and you need 2 brownies per student.
You need 2 * 28 = 56 brownies.

The number of brownies you will bake must equal the number of brownies you need. Set the two expressions equal to each other, and that is the equation.

x + 23 = 56

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