
Andrew M. answered 09/15/17
Tutor
New to Wyzant
Mathematics - Algebra a Specialty / F.I.T. Grad - B.S. w/Honors
y = 3x - 4
-3y = -9x +12
multiply first equation through by -3:
-3y = -9x + 12
-3y = -9x + 12
These are the same line so there are
infinite solutions.