Question

Use the Commutative Property to determine the missing step in proving the equivalence of 12a+10+a=10+a+12a.

Step 1: [missing]

Step 2: 10+13a=10+13a

Step 3: The expressions are equivalent because they both equal the same value.

(1 point)

Answer 1

Substituting 1 for x in the equation 5x + 3=x⋅5 + 3 is a test case for which property?

Answer 2

Step 1: Rearrange the terms using the Commutative Property: 12a + 10 + a = 10 + a + 12a

Answer 3

Substituting 1 for x in the equation 5x + 3 = x⋅5 + 3 is a test case for the Reflexive Property.