One-Step Equations

What is the inverse (opposite) of addition (+) ?

• subtraction (-)

• multiplication (x)

• division ( $\div$  )

What is the inverse (opposite) of subtraction (-) ?

• addition (+)

• multiplication (x)

• division ( $\div$ )

What is the inverse (opposite) of multiplication (x) ?

• addition (+)

• subtraction (-)

• division ( $\div$ )

What is the opposite of division ( $\div$  ) ?

• addition (+)

• subtraction (-)

• multiplication (x)

How to solve?
 $x+2=7$  

•  $-2\ on\ both\ sides$  

•  $+2\ on\ both\ sides$  

•  $\times2\ on\ both\ sides$  

•  $\div2\ on\ both\ sides$  

How to solve?

  $x-3=1$  

•  $-3\ on\ both\ sides$  

•  $+3\ on\ both\ sides$  

•  $\times3\ on\ both\ sides$  

•  $\div3\ on\ both\ sides$  

How to solve?

 $2x=10$  

•  $+2\ on\ both\ sides$  

•  $-2\ on\ both\ sides$  

•  $\times2\ on\ both\ sides$  

•  $\div2\ on\ both\ sides$  

Solve:

 $x+2=7$  

•  $x=9$  

•  $x=5$  

•  $x=14$  

Solve:

 $x-3=1$  

•  $x=4$  

•  $x=-2$  

•  $x=3$  

Solve:
 $2x=10$  

•  $x=8$  

•  $x=12$  

•  $x=5$