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![\bf \underset{\leftarrow \qquad \textit{\large 132}\qquad \to }{\stackrel{7x+13}{\boxed{E}\rule[0.35em]{18em}{0.25pt}}F\stackrel{21}{\rule[0.35em]{10em}{0.25pt}\boxed{G}}} \\\\\\ \stackrel{EF}{7x+13}~~+~~\stackrel{FG}{21}~~=~~\stackrel{EG}{132}\qquad \implies 7x+34=132 \\\\\\ 7x=98\implies x = \cfrac{98}{7}\implies x = 14](/tpl/images/0272/3661/a484d.png)
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If ef=7x+13, fg=21, and eg=132, find the value of x....
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