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When solving an equation, Gabrielle's first step is shown below. Which property justifies Gabrielle's first step? Original Equation: -5x=-20 First Step: x=4 subtraction property of equality division property of equality associative property of multiplication associative property of addition

When solving an equation, Gabrielle's first step is shown below. Which property justifies Gabrielle's first step?\newlineOriginal Equation:\newline−5x=−20 -5 x=-20 \newlineFirst Step:\newlinex=4 x=4 \newlinesubtraction property of equality\newlinedivision property of equality\newlineassociative property of multiplication\newlineassociative property of addition

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Q. When solving an equation, Gabrielle's first step is shown below. Which property justifies Gabrielle's first step?\newlineOriginal Equation:\newline−5x=−20 -5 x=-20 \newlineFirst Step:\newlinex=4 x=4 \newlinesubtraction property of equality\newlinedivision property of equality\newlineassociative property of multiplication\newlineassociative property of addition
  1. Identify Equation: Gabrielle's first step in solving the equation is going from −5x=−20-5x = -20 to x=4x = 4. To determine which property justifies this step, we need to look at the operations performed. Gabrielle divided both sides of the equation by −5-5 to isolate xx. This is an application of the division property of equality, which states that if you divide both sides of an equation by the same nonzero number, the two sides remain equal.\newlineCalculation: −5x/−5=−20/−5-5x / -5 = -20 / -5 leads to x=4x = 4.

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