Mathematics, 11.03.2021 20:50, lillianrhoades2

A volunteer made m muffins for a bake sale. After selling 28 muffins, 21 remained. The equation m - 28=21 represents the situation. What is the first step to writing an equivalent equation to solve m - 28 = 21?

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A volunteer made m muffins for a bake sale. After selling 28 muffins, 21 remained. The equation m -...