Step-by-step explanation:





If you graph the new identity, and the og identiy, they will be conciding graphs, so they are the same identity.

Change x to y, and y to x.

solve for y:

Your answer is:

Answer:
The electrician has 14 feet of cable.
Answer:
um I did the math and I got 5, so i dont really understand
One reason that negative numbers would not make sense for values of the variables is that the solution having a negative value is not valid. It might be that the expression represents a real word problem and a negative value will not make any sense. Hope this helps.