When solving an equation, Gabrielle's first step is shown below. Which property justifies Gabrielle's first step?Original Equation:31x=3First Step:x=9addition property of equalitymultiplication property of equalitycommutative property of multiplicationsubtraction property of equality
Q. When solving an equation, Gabrielle's first step is shown below. Which property justifies Gabrielle's first step?Original Equation:31x=3First Step:x=9addition property of equalitymultiplication property of equalitycommutative property of multiplicationsubtraction property of equality
Initial Equation: Gabrielle's first step in solving the equation is to go from (31)x=3 to x=9. To justify this step, we need to determine which property allows us to go from the original equation to the first step. Let's analyze the step:Original Equation: (31)x=3First Step: x=9To isolate x, we need to eliminate the fraction(31) that is being multiplied by x. To do this, we can multiply both sides of the equation by the reciprocal of (31), which is 3. This is because multiplying by the reciprocal will cancel out the (31) on the left side, leaving us with just x.Calculation:x=91x=9This step is justified by the multiplication property of equality, which states that if you multiply both sides of an equation by the same nonzero number, the two sides remain equal.
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