Which expression represents the phrase "twice the difference of a number and 5"?

a. 2(x−5)

b. 2+2(x−5)

c. 2(x+5)

d. −5+2x

Can someone pls ! pls answer all. no explanation needed..

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

Jermaine has t subway tokens. karen has 4 more subway tokens than jermaine. raul has 5 fewer subway tokens than jermaine. which expression represents the ratio of karen's tokens to raul's tokens