Mattixwillard
Mattixwillard
01.12.2020 • 
Mathematics

Which equation would you use to solve the following situation? There are 6 cookies in the cookie jar. Sean bakes some more and now there are 15 cookies in the jar. How many cookies did Sean bake?

6 + x = 15
x - 6 = 15
15 + 6 = x
6 - x = 15

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