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When 2 times a number, r, is added to 17, the result is 25, what is r
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4 votes
When 2 times a number, r, is added to 17, the result is 25, what is r

User Dhk
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2 Answers

5 votes

2r+17=25 \\ 2r=25-17 \\ 2r=8 \\ r=4
User Tharabas
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6.5k points
3 votes
2r+ 17= 25
Subtract 17 from each side.
2r= 8
Divide each side by 2
R= 4
User Varun Natraaj
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6.8k points
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