<PRE><B>Question 742841</B>
9x-14 = 7x + 4

9x-7x = 4 + 14

2x = 18

x = 9

9(9) -4 = 81 minus 4 = 77

7(9)+4 = 63 + 4 = 67

Then (77)^2 + (67)^2 = (hypotenuse)^2

Can you take it from here?</PRE>