What is the probability of choosing a random license plate who's letter spell out the word"mom"?

Aportion of a line bounded by two points is defined as

Find a number such that if you add 8 and divide the result by 4 you will get the same answer as if you subtracted 3 from the original number and divided by 2

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}