Justifying Equation Solving

Which property justifies the work between step 1 and step 2?

 $Step\ 1:\ \ \ \ \ 10-2k=k-5-3k$  

 $Step\ 2:\ \ \ \ \ \ 10-2k=-5-2k$  

• Distributive Property

• Combine Like Terms

• Multiplication Property of Equality

• Division Property of Equality

Which property justifies the work shown?

 $10-2k=-5-2k$  
 $10+0k=-5$  

• Distributive Property

• Addition Property of Equality

• Subtraction Property of Equality

• Multiplication Property of Equality

• Division Property of Equality

Tags

CCSS.HSA.REI.A.1

Which property justifies the work shown?

 $-12-8x=-10x$ 
 $-12=-2x$  

• Distributive Property

• Addition Property of Equality

• Subtraction Property of EQualoity

• Multiplication Property of Equality

• Division Property of Equality

Tags

CCSS.HSA.REI.A.1

Which property justifies the work shown?

 $8n+42=8\left(n+5\right)$ 
 $8n+42=8n+40$  

• Distributive Property

• Addition Property of Equality

• Subtraction Property of Equality

• Multiplication Property of Equality

• Division Property of Equality

Tags

CCSS.HSA.REI.A.1

Which property justifies the work shown?

 $8n+42=8n+40$  
 $8n+2=8n$  

• Distributive Property

• Addition Property of Equality

• Subtraction Property of Equality

• Multiplication Property of Equality

• Division Property of Equality

Tags

CCSS.HSA.REI.A.1

Which property justifies the work shown?

 $-2\left(w+2\right)=-2\left(w+5\right)+6$  
 $-2x-4=-2w-10+6$  

• Distributive Property

• Addition Property of Equality

• Subtraction Property of Equality

• Multiplication Property of Equality

• Division Property of Equality

Tags

CCSS.HSA.REI.A.1

Lisa correctly solved an equation and got $10=-5$  as her answer. What type of solution does this equation have?

• One Soluton

• No Solution

• Infiniite Solutions

Tags

CCSS.8.EE.C.7A

 Tiffany correctly solved an equation and got  $6=x$  as her answer. What type of solution does this equation have?

• One Solution

• No Solution

• Infinite Solutions

Tags

CCSS.8.EE.C.7A

Mark correctly solved an equation and got  $-4=-4$   as his answer. What type of solution does Mark's equation have?

• One Solution

• No Solution

• Infinite Solutions

Tags

CCSS.8.EE.C.7A

Nick correctly solved an equation and got  $0=-2$  as his answer. What type of solution does Nick's equation have?

• One Solution

• No Solution

• Infinite Solutons

Tags

CCSS.8.EE.C.7A