radical equation - solve graphically.

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2√5x+32=7

$\qquad2\sqrt5 \;x+32=7\\ 2\sqrt5 \;x+32-32=7-32\\ \phantom{ wwwww }2\sqrt5 \;x=-25\\ \phantom{ wwwwwwww } x=\frac{-25}{2\sqrt5}\\ \phantom{ wwwwwwww } x=\frac{-25}{2\sqrt5}\times \frac{\sqrt5}{\sqrt5}\\ \phantom{ wwwwwwww } x=\frac{-25\sqrt5}{10}\\ \phantom{ wwwwwwww } x=\frac{-5\sqrt5}{2}$