Shana wants to use all 62 feet of the fencing she has to make a rectangular run for her dog. she decides to make the length of the run 20 feet. she writes and solves the equation 2L+2w=62 to find the width of the run. which statements are true of the solution? check all that apply a. the value of w is 10 feet
b. the value of w can be 0
c. the value of w cannot be a negative number
d. substitution is used to replace the variable L with 20
e. the subtraction property of equality is used to isolate the term with the variable w