Question 74169
g(x) = 7 - 3x

4g(x) = 4(7 - 3x)
      = 28 - 12x

f(x) = x/5

5f(x) = 5(x/5)
      = x

Thus 4g - 5f = 28 - 12x - x

             = 28 - 13x



Good Luck!!!