Math 8R: Homework Check  Part 4
posted by Laruen .
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!!! :)

The ones in the () are the answers to the ones I just translate since I have to solve them.

#25. ok
#26. 29? 29 is not divisible by 4
#27. ok
#28. nope. 2n10 = 26
You have "10, decreased by twice a number"
#29. same problem.
5n5 = 7n3
#30. ok.