Question

Twice the difference between a number and 4 is twenty

Answer 1

whats the equation?

Answer 2

The difference between a number (lets call it 'x') and 4....

this can be written as

(x - 4)

So what is TWICE this?

Answer 3

2x-8?

Answer 4

Well yes..but I dont think they want it expanded since they want the basic equation...so just

2(x - 4)

and they say this is = to 20...so

2(x - 4) = 20

Answer 5

12?

Answer 6

Thanks!