Question from Marina, a student:
I am stuck with this substition please help.
-3x+y=1 5x+2y=-4
Hi Marina,
From the first equation y = 1 + 3x so you can substitute this into the second equation to obtain
5x + 2(1 + 3x) = -4 or 5x + 2 + 6x = -4
Solve for x.
Penny