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When 345 added to a number the result is 987

User YuS
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2 Answers

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the answer would be 642 be cause all you do is 987 minus 345 and the answer is the answer.

User Jayz
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6 votes

345+a=987 \\\\ a=987-345 \\\\ \boxed{a=642}
User David Pasztor
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