SOLUTION: x-2y=3 5x+4y=8

Algebra ->  Systems-of-equations -> SOLUTION: x-2y=3 5x+4y=8      Log On


   

Question 227250: x-2y=3
5x+4y=8
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
x-2y=3 multiply by 2 & add.
5x+4y=8
2x-4y=6
-------------
7x=14
x=14/7
x=2 ans.
2-2y=3
-2y=3-2
-2y=1
y=1/-2
y=-1/2 ans.
Proof:
5*2+4*-1/2=8
10-2=8
8=8