Question 53532
2*LENGTH+2*WIDTH=PERIMETER OF A RECTANGLE THUS

2X+2(X-7)=34 OR 2X+2X-14=34 OR 4X=48 OR X=48/4MOR X=12 FOR THE LENGTH & 12-7=5 FOR THE WIDTH

PROOF 2*12+2*5=34 OR 24+10=34 OR 34=34