B-4: The Properties of Equality

Guided Practice:

Solve each equation below for the variable.  Remember some key words and concepts:  We want to identify the variable (get it by itself), and we much keep the equation in balance (by using the Properties of Equality).

The first help button has a clue for you, the second help button on each question has a complete solution.  Command-click on them to open them in a new window.

1.   x + 17 = 91 Screen Shot 2014-06-03 at 10.20.37 AMScreen Shot 2014-06-03 at 10.20.37 AM

 

 

2.     74 = y – 88   Screen Shot 2014-06-03 at 10.20.37 AMScreen Shot 2014-06-03 at 10.20.37 AM

 

3.   7x = 84

Screen Shot 2014-06-03 at 10.20.37 AMScreen Shot 2014-06-03 at 10.20.37 AM

 

4.     14 = a/15

Screen Shot 2014-06-03 at 10.20.37 AM
Screen Shot 2014-06-03 at 10.20.37 AM

 

Practice Problems

Solve each equation below for the variable.  Remember some key words and concepts:  We want to identify the variable (get it by itself), and we much keep the equation in balance (by using the Properties of Equality).


Screen Shot 2014-06-08 at 8.19.33 PM






 

 

 

ANSWER KEY

 

Extra Practice:  Pong with One-Step Equations

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