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
<span>Math short answer help!!!? Dakota's math test grade was 7 points less than his science test grade . the sum of the grades was 183% what did Dakota get on his math test??
88%</span>