What is the solution of 3+5n=5(n+2)-7

DdoGas asked Nov 22, 2023

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DdoGas asked Nov 22, 2023

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19 votes

this is

$\begin{gathered} 3+5n=5(n+2)-7 \\ 3+5n=5n+10-7 \\ 3+5n=5n+3 \\ 3+5n-3=5n+3-3 \\ 5n=5n \\ 5n-5n=5n-5n \\ 0=0 \end{gathered}$

solution: equation is true for all n

Chris Pierce answered Nov 27, 2023

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