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I add 12 to a certain number and then double the result. The answer is 42. Find the original number​
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2 votes
I add 12 to a certain number and then double the result. The answer is 42. Find the original number​

User Aussiegeek
by
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1 Answer

5 votes
(X+12)*2=42
2x+24=42
2x=42-24
2x=19 divided by two
X=9.5

User Brian Huffman
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7.7k points
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