The sum of two numbers is ten. Using x to represent the smaller number, translate "the difference between twice the larger number and negative twenty" into a variable expression and simplify.

Oh my. Holy moly macaroni. I'm in 5th grade. Okay let's try to figure this out. So x and y, let's say y is the other number. So it could be 2y - 20. I'm not very sure but that's all I got. : 'c I'm sorry hun.