Solve the linear equation below using the substitution method

x-3y=7
2x+3y=9

For a read-a-thon, jay and odhràn each started reading a book at the same time and continued reading for several hours. jay's book had 278 pages, and he read 55 pages per hour. odhràn's book had 238 pages, and he read 45 pages per hour. after how many hours did they have the same number of pages left, and how many pages were left?

The graph of g(x) is a translation of y = which equation represents g(x)?

One integer is 8 times another. if the product is 72, then find the integers