SOLUTION: x+y=3
x-y=13
answer:(8,-5)
need a full break down of how my text book come up with those solutions
Algebra.Com
Question 186412: x+y=3
x-y=13
answer:(8,-5)
need a full break down of how my text book come up with those solutions
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
x+y=3
x-y=13
-----------
Add the two equations to get rid of the y-terms:
2x = 16
x = 8
===========
Substitute that into x+y =3
to solve for "Y":
8 + y = 3
y = -5
===============
Cheers,
Stan H.
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