twice a number decreased by another number

Question

frame algebraic expression the following

 

Answer 1

 

Let the 1st number be x

Let the 2nd number be y

 

**Note:  You could choose any variable you want

to represent the numbers.  You could call them

a and b or something else...***

 

Twice a number would be 2x

 

Decreased by another number means subtract

the other number... -y

 

 

Twice a number decreased by another number:

2x - y