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October 25, 2014

Homework Help: Math 8R: Homework Check - Part 4

Posted by Laruen on Monday, October 29, 2012 at 2:38pm.

Part 4: Translate and solve:

25. 6 less than twice a number is ten
Answer : 2n - 6 = 10 (answer: n = 8)

26. The quotient of a number and 4 plus 3 is 8
Answer: n/4 + 3 = 8 (answer: n = 29)

27. 4 less than three times a number is -28
Answer: 3n - 4 = -28 (answer: n = -8)

28. Twice a number, decreased by 10, is 26
Answer: 10 - 2n = 16 (answer: n = 3)

29. 5 less than 5 times a number is the same as 7 times a number decreased by 3
Answer: 5n - 5 = 3 - 7n (answer: 1 = n)

30. The sum of 4 times a number and 7 is the same as 18 added to 3 times a number
Answer: 4n + 7 = 18 + 3n (answer: n = 11)

Please check to see if my answers are correct. Thank You!!! :)

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