Question

y=4-3x
3x+y=5

Answer 1

substitute y into the second equation and solve

Answer 2

no solution because the are parallel

Answer 3

ahh yes they are so if you'd do what i did you'd eventually get a false statement saying

\[a=b\]

where
\[a \neq b \]

making it false

Answer 4

or no solution

Answer 5

How did you get no solution?