Solve x − 5y = 6 for x.

x = −5y + 6
x = −5y − 6
x = 5y + 6
x = 5y − 6

Aconstruction worker needs to put a rectangular window in the side of a building he knows from measuring that the top and bottom of the window have a width of 8bfeet and the sides have a length of 15 feet he also measured one diagonal to be 17 feet what is the length of the other diagonal