Respuesta :
r(x)=15x
c(x)=7x+20
So it is r(x)-c(x)
15x-(7x+20)
Distribute the minus sign making the new equations
15x-7x-20
COMBINE LIKE TERMS
Answer is:
8x-20 which is C
c(x)=7x+20
So it is r(x)-c(x)
15x-(7x+20)
Distribute the minus sign making the new equations
15x-7x-20
COMBINE LIKE TERMS
Answer is:
8x-20 which is C