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Mathematics, 30.03.2021 15:30 genyjoannerubiera
Sophia determined that the expression Negative (4 x minus 5) + 2 (x minus 3) is equivalent to –2x – 5 by using the steps below. Expression: Negative (4 x minus 5) + 2 (x minus 3) Expression: –2x – 5 Step 1: Choose a value of x Choose x = 1. Choose x = negative 1. Step 2: Substitute Negative (4 (1) minus 5) + 2 (1 minus 3) Negative 2 (negative 1) minus 5 Step 3: Evaluate Negative (4 (1) minus 5) + 2 (1 minus 3) = negative (negative 1) + 2 (negative 2) = negative 3 Negative 2 (negative 1) minus 5 = 2 minus 5 = negative 3 Step 4: Compare Since –3 = –3, the two expressions are equivalent. Which explains whether Sophia is correct?
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Sophia determined that the expression Negative (4 x minus 5) + 2 (x minus 3) is equivalent to –2x –...
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