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When solving an equation, Carmen's first step is shown below. Which property justifies Carmen's first step?
Original Equation:

4x*-2=2
First Step:

4*-2x=2
multiplication property of equality
division property of equality
commutative property of multiplication
distributive property of multiplication over addition

When solving an equation, Carmen's first step is shown below. Which property justifies Carmen's first step?\newlineOriginal Equation:\newline4x2=2 4 x \cdot-2=2 \newlineFirst Step:\newline42x=2 4 \cdot-2 x=2 \newlinemultiplication property of equality\newlinedivision property of equality\newlinecommutative property of multiplication\newlinedistributive property of multiplication over addition

Full solution

Q. When solving an equation, Carmen's first step is shown below. Which property justifies Carmen's first step?\newlineOriginal Equation:\newline4x2=2 4 x \cdot-2=2 \newlineFirst Step:\newline42x=2 4 \cdot-2 x=2 \newlinemultiplication property of equality\newlinedivision property of equality\newlinecommutative property of multiplication\newlinedistributive property of multiplication over addition
  1. Switching Multiplication Order: Carmen's first step is to go from 4x×24x\times-2 to 4×2x4\times-2x. Let's analyze this step to determine which property is being used.\newlineIn the original equation, 4x4x is being multiplied by 2-2. In the first step, the position of xx and 2-2 are switched within the multiplication.\newlineThis change does not affect the product because multiplication is commutative; that is, a×b=b×aa\times b = b\times a for any numbers aa and bb.\newlineTherefore, the property being used here is the commutative property of multiplication.

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