Mejia Elliott
05/16/2023 · Middle School
To solve the equation \( 7.5 d=2.5 d \), Lin divides each side by \( 2.5 d \), and Elena subtracts \( 2.5 d \) from each side. a. Will both moves lead to the solution? Explain your reasoning. b. What is the solution?
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a. Lin's method is invalid due to potential division by zero, while Elena's method is valid.
b. The solution is \( d = 0 \).
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