Micah has 56 feet of fencing to make a rectangular dog run in his yard. He wants the length to be 2.5 feet more than the width. Find the length, L, by solving the equation 2L + 2(L − 2.5) = 56.
2L+2(L−2.5)=56
2L+2L−5=56
4L=64
L=16