Question

the current temperature in small town - 20 degrees Fahrenheit this is 6 degrees less than twice the temperature that was six hours ago what was the temperature in small town 6 hours ago

Answer 1

For problems like this we can use algebra to help us, the farenheight 6 hours ago was:
 (2xt)-6=-20
We have to balance the sides out, first we minus 6
2xt=-26
Now we can divide by 2
t=-13

We now know the temperature 6 hours ago was -13