Select the equation that most accurately depicts the word problem. 
 The perimeter of a rectangle is 68 inches. The perimeter equals twice the length of L inches, plus twice the width of 9 inches.
 68 = 9L + 2
 68 = 2L + 2(9)
 68 = 9(L + 2)
 68 = + 2(9)
 68 = + 
 68 = 2(L - 9)