How do you solve $2sqrt(4x)=20$ ?

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Answer 1 · 2015-07-28T06:20:33

$color(blue)(x=25$

$2sqrt(4x)=20$
Squaring both sides

$2^2(sqrt(4x))^2=20^2$

$4 * 4x=400$

$16x=400$

$x=400/16$

$color(blue)(x=25$

How do you solve 2sqrt(4x)=202sqrt(4x)=20?