SOLUTION: The steps in the simplification of the expression 9 + 3x + 2y − 2x – y − 8 are shown below. Step 1: 9 – 8 + 3x − 2x + 2y − y Step 2: (9 − 8) + (

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: The steps in the simplification of the expression 9 + 3x + 2y − 2x – y − 8 are shown below. Step 1: 9 – 8 + 3x − 2x + 2y − y Step 2: (9 − 8) + (      Log On

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Question 732495: The steps in the simplification of the expression 9 + 3x + 2y − 2x – y − 8 are shown below.
Step 1: 9 – 8 + 3x − 2x + 2y − y
Step 2: (9 − 8) + (3x − 2x) + (2y − y)
Step 3: 1 + x (3 − 2) + y (2 − 1)
Step 4: 1 + x (1) + y (1)
Step 5: 1 + x + y

Which statement is correct?
Step 2 uses associative property of addition, and step 5 uses commutative property of multiplication.
Step 2 uses associative property of multiplication, and step 3 uses commutative property of addition.
Step 1 uses distributive property of addition, and step 3 uses distributive property of multiplication.
Step 1 uses commutative property of addition, and step 2 uses simplification.
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answer:
Step 1 uses distributive property of addition, and step 3 uses distributive property of multiplication.