Jennifer wrote the following steps to simplify the expression: 3 – (x + 2x – 5).

Which step of justification is incorrect, and what should the justification for that step be to simplify the expression?

Step 4; Multiplication Property of Equality

Step 1; Commutative Property of Multiplication

Step 3; Associative Property of Addition

Step 2; Associative Property of Addition

Question

Jennifer wrote the following steps to simplify the expression: 3 – (x + 2x – 5). 




Which step of justification is incorrect, and what should the justification for that step be to simplify the expression?

		Step 4; Multiplication Property of Equality

		Step 1; Commutative Property of Multiplication

		Step 3; Associative Property of Addition

		Step 2; Associative Property of Addition

anonymous · Answer

attachment

amistre64 · Answer

these types of questions are designed to see how well you are grasping the subject matter.

which step seems off to you, even if you dont know the name of it?

anonymous · Answer

step 2?

amistre64 · Answer

step 2 is moving things about, when we commute we move about.

step 3 is my guess; its associating term, forming them into groups.