Question 944795: Please help me with this equation using Subtraction Method
2x-y= -10
4x-2y= -2 Found 2 solutions by stanbon, MathLover1:Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! 2x-y= -10
4x-2y= -2
------
Modify::
4x-2y = -20
4x-2y = -2
-----
Subtract to get:
0 = 18
That is a contradiction .
The lines are really parallel so there is no point of intersection.
Ans: No solution
===================
Cheers,
Stan H.
--------------
You can put this solution on YOUR website! .....eq.1....both sides multiply by .....eq.2
-----------------------------------
.....eq.1 .....eq.2
-----------------------------------subtract eq.2 from eq.1
which is not true; so, it means that the two lines are and will never intersect,there are no solutions and the system is
(