Mathematics, 04.03.2021 21:20 ketnerfaith17
The sum of 7 and twice a number is 4. Write an equation.
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Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.
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The sum of 7 and twice a number is 4. Write an equation....
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