Unit
27 problems with answers
from
http://www.textbooksfree.org/  
Practice Problems 27 Solve the following equations and check your answer.  
1) 9x + 5 = 23

2) 5x  4 = 31  3)  4) 4n + 3n + 5 =12 
5) 4n + n = 21

6) 7y  3y = 16  7)  8) 5y  3 + 2y = 39 
9) 5n  4 = n + 16

10) 4x + 6 + 3x = 2x + 31  
11) 6(2x  4) = 36

12) 2(4y  4)  3 = 21  
13) Bill and Shawn spent $130 on clothes.
Bill spent $18 more than Shawn. How
much did each spend? Hint: x = Shawn's
spending.
comments and suggestions to antonw@ix.netcom.com

14) Three numbers add to 210. The second number is 10 more than the first and the third number is three times the first. Find the numbers. Hint: x = first number. 