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

I add 12 to a certain number and then double the result. The answer is 42. Find the original number​
asked 229k views
2 votes
I add 12 to a certain number and then double the result. The answer is 42. Find the original number​

asked
User Aussiegeek
by
7.7k points

1 Answer

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

answered
User Brian Huffman
by
8.6k points
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