One fourth a number decreased by ten equals negative fifty find the number

So you can set this up as an equation. Let's use "x" to represent the number we're trying to find.

"One fourth a number" =  
"Decreased by ten" = -10
"Equals negative fifty" = -50

So altogether it looks like:

First you need to add 10 to both sides. Now it's:

Now to get x, you need to multiply both sides by 4. The answer is: