SOLUTION: Can this problem be done by elimination are subsitution if so can you show me which one and how to do it? y+4x=-5 y+5x=3

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Question 411123: Can this problem be done by elimination are subsitution
if so can you show me which one and how to do it?
y+4x=-5
y+5x=3
Found 2 solutions by rfer, ewatrrr:
Answer by rfer(16322)   (Show Source): You can put this solution on YOUR website!
y=-4x-5
y+5x=3
-4x-5+5x=3
x=8
----------------
y+5*8=3
y=-37
--------------
-37+4*8=-5
-37+32=-5
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!


Hi

y+4x=-5

y+5x=3

Sets Up for a simple elimination:

 -y-4x = 5  |mulitplying 1st Eq thru with -1 to eliminate y

  y+5x= 3

    x = 8

    x = 8 and y = -37  (y +5x=3;  y = -5*8 + 3)

CHECKING our Answer***

 y + 4x = -5

-37 +32 = -5 

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