If the temperature was 45 degrees F at 9 am, what was the temperature at 6pm

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!

sure thing bud

hope this

  lol