Question 1180730
<pre>
first              x
second            2x
third              x+5
perimeter         69
</pre>
{{{4x+5=69}}}
-
{{{4x=64}}}
{{{2*2x=2*2*2*8}}}
{{{x=16}}}------------first side







<pre>
first    16
second   32
third    21
</pre>