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Determine whether 18 is a solution of the question x+15=31.
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Determine whether 18 is a solution of the question x+15=31.

User Jonathan L
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No it is not. It's actually 16 because in order to get x you have to subtract 15 from 31

User Svend Hansen
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The solution to x+15=30 is 15. 18 is incorrect.
User Andsens
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