SOLUTION: A student was asked to use the formula for the perimeter of a rectangle, P=2L+2w, to solve for L. The student came up with an answer, P-2w=2L. What error did the student make? Expl

Algebra ->  Systems-of-equations -> SOLUTION: A student was asked to use the formula for the perimeter of a rectangle, P=2L+2w, to solve for L. The student came up with an answer, P-2w=2L. What error did the student make? Expl      Log On


   

Question 988036: A student was asked to use the formula for the perimeter of a rectangle, P=2L+2w, to solve for L. The student came up with an answer, P-2w=2L. What error did the student make? Explain. Then solve for L.
Answer by josgarithmetic(39838) About Me  (Show Source):
You can put this solution on YOUR website!
This student took just one step, a good one; and then stopped. He just did not finish.