Uhh does he know that uhh he can’t do tha— oh nvm let him find out

Matt and brian were solving a system of equations. they both noticed that the two lines had the same slope. brian said that because each line in the system had the same slope, the two lines had to be parallel, which meant the solution to the system was "no solution" matt disagreed, and said they should also look at the y-intercepts before determining how many solutions there were. who is correct?

Graph the equation. select integers for x

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?