Solving one -step equations

Solving one -step equations

Inverse Operations and Properties of Equality 

Inverse operations

are operations that “undo” each other: addition and subtraction, multiplication and division

Addition Property of Equality

a + c = b + c

Multiple Choice

Solve the one step equation: 

Using the Addition Property of Equality

 $x\ -6=4$

 

• x = -2

• x = 10
  

• x = -10

• x = 2

Subtraction Property of Equality 

a − c = b − c 

Multiple Choice

Solve the one step equation:
Using the Subtraction Property of Equality 

 $x\ +\ 7\ =\ 12$  

• x = 19

• x = 15

• x = 5 

• x = 2

Multiplication Property of Equality

a × c = b × c 

Multiple Choice

Solve the one step equation:
Using the Multiplication Property of Equality

 $\frac{x}{4}=\ 2$  

•  $x\ =\ \frac{1}{2}$  

• x = 2 
  

• x = 4

• x = 8

Division Property of Equality

a ÷ c = b ÷ c for c ≠ 0 

Multiple Choice

Solve the one step equation:
Using the Division Property of Equality

 $5x\ =\ 30$  

• x = 6

• x = 150

• x = 4

• x = 15