Verified Answer :

\(5x = 2x + 20 \\ subtract--------\ \textgreater \ -2x \\ 3x = 20 \\ Divide -----\ \textgreater \ 3x \\ \\ x = 6 \frac{2}{3}\)

AL2006


I don't know.  But I know how to find it.  Let's work it out together:

                                              5x  =  2x + 20

Subtract  2x  from each side:    3x  =  20

Divide each side by  3 :              x  =  20/3  or    ( 6 and 2/3 ).


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