First you need common denominator
x/2 - 6/2 = 34/2
now , eliminate denominator
x - 6 = 34 add 6 to both sides and simplify
x=40
3*3+4*4=x*x and 9+16=25 so x is 5 and then add other sides so 5+8+4+5
34=97+29=195 and this is your answer
It is best represented by a plane.