Question 1036297
Start using assigning a variable, and literal translation.


Given x is the shorter leg.

<pre>
SEGMENT OR SIDE          NUMBER
short leg                  x
long leg                 -9+3x
hypotenuse                1+2x
</pre>


If legs of a right triangle are a and b, and if hypotenuse is c, then we have a relationship among them,  {{{a^2+b^2=c^2}}}, Pythagorean Theorem Right Triangle Formula.
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Make the substitutions and solve for x.....