Identifying Properties When Solving Equations

To solve the equation below, Xavier has to subtract 7 from both sides. What property allows him to do this?

• Subtraction Property of Equality

• Addition Property of Equality

• Commutative Property of Addition

• Distributive Property

Tags

CCSS.HSA.REI.A.1

Identify the property used below.

3x · 1 = 3x

• Identity Property of Multiplication

• Identity Properyt of Addition

• Inverse Property of Multiplication

• Inverse Property of Addition

Tags

CCSS.6.EE.A.3

If a = b, then a may be replaced by b in any expression.

• Transitive Property         

• Reflexive Property             

• Symmetric Property 

• Substitution Property

Tags

CCSS.7.EE.A.1

Name the property described:
If PQ = RS then RS = PQ

• Reflexive

• Symmetric

• Transitive

• Addition

• identity property of multiplication

• multiplication property of equality

• commutative property of multiplication

• distributive property of multiplication over subtraction

Tags

CCSS.HSA-REI.B.4B

• addition property of equality

• commutative property of addition

• multiplication property of equality

• distributive property of multiplication over addition

Tags

CCSS.HSA.REI.A.1

Britney is solving a quadratic equation. Her first step is shown below. Problem: 3x^2-8-10x=3(2x+3) Step 1: 3x^2-10x-8=6x+9 Which two properties did Britney use to get to step 1?

• I. addition property of equality

• II. commutative property of addition

• III. multiplication property of equality

• IV. distributive property of multiplication over addition

• A and C

• A and B

• D and C

• D and B

Tags

CCSS.8.EE.C.7B

Tags

CCSS.8.EE.C.7B

Tags

CCSS.7.EE.A.1