10040816
05.10.2020 •
Mathematics
To solve the equation 7.5d=2.5d, Lin divides each side by 2.5d, and Elena subtracts 2.5d from each side. Will both moves lead to the solution? Explain your reasoning.
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Ответ:
See Explanation
Step-by-step explanation:
Given
Analyzing Lin's
This isn't a solution because
Analyzing Elena's
Divide through by 5
Hence;
Going by the analysis above; only Elena's move will lead to a solution
Ответ: