5-2(x+6)=145-2x-12=14
-7-2x=14
-2x=21
-10.5
It D machinery. It says it on the bottom of the problem but for further explanation, a mail room can be found in some but it’s more in offices than factories, a barn is obviously wrong, and cafeteria is only in some not all but all factories have machinery used to make the item they produce.