math
posted by tera on .
Solve using the substitution method: 7x+2y=37 and 5x+y=44 what are the solutions?

The second equation tells you that y = 44 + 5x.
Substitute 44 + 5x in place of y in the first equation. You will have to double it, because 2y appears in that equation. Then solve the resulting equation for x.