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21) The steps Kalee used to solve the equation –4x + 9 = 2x – 12x + 51 and the properties she used to justify each step are shown. Find and identify each error. Note: There are errors in both the mathematical
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21) The steps Kalee used to solve the equation –4x + 9 = 2x – 12x + 51 and the properties she used to justify each step are shown. Find and identify each error. Note: There are errors in both the mathematical work and the justifications. *

21) The steps Kalee used to solve the equation –4x + 9 = 2x – 12x + 51 and the properties-example-1
User Lnhubbell
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Step number 7 is wrong it should be like this 6x/6 = 42/6. Justification is "Divide Property of Equality".
User Karthic Rao
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