one step equations

r/6 = 18

• r = 12

• r = 68

• r = 104

• r = 108

What do you need to do to both sides to isolate the variable?

• Add 5

• Subtract 5

• Multiply by 5

• Divide by 5.

• 11,9

• 2.5

• 5.1

• 28.9

 $Solve\ for\ r.\$ 

  $108\ =\ 9r$  

• 11

• 15

• 7

• 12

Solve the equation:
x - 4 = 6

• x = 10
• x = -10
• x = 2
• x = -2

 $Solve\ for\ y.\$  
 $7y\ =\ 42$  

• 9

• 4

• 6

• 7

y + 65 = 182

• y = 107

• y = 117

• y = 247

• y = 123