Practice Problems 27 Provided by http://www.textbooksfree.org/
Answers Units 1-13    
Units 14-24     Units 25-38     Units 39-49
Return to Unit 27 Multi-Step Equations     Part 4 Exponents and Review
Go to PP 28     Part 4 Review
    PP Index     Math Internet Library

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.