List the key words in the equation twice the sum of a number and three is seven and than write the equation

Question part points submissions used suppose that 100 lottery tickets are given out in sequence to the first 100 guests to arrive at a party. of these 100 tickets, only 12 are winning tickets. the generalized pigeonhole principle guarantees that there must be a streak of at least l losing tickets in a row. find l.

Math question.. plz me .. best answer all

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)