SOLUTION: solve the system by the elimination method 5x + 5y = -11 7x - 3y = 17 The solution is? Please show work if possible - I came up with 2 different answers for y -81/25

Algebra ->  Algebra  -> Linear-equations -> SOLUTION: solve the system by the elimination method 5x + 5y = -11 7x - 3y = 17 The solution is? Please show work if possible - I came up with 2 different answers for y -81/25      Log On

Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!
Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!

   

Question 313051: solve the system by the elimination method
5x + 5y = -11
7x - 3y = 17
The solution is?
Please show work if possible - I came up with 2 different answers for y
-81/25 or -162/31
Thank you for your help
Answer by stanbon(57250) About Me  (Show Source):
You can put this solution on YOUR website!
solve the system by the elimination method
5x + 5y = -11
7x - 3y = 17
-------------------------
35x + 35y = -77
35x - 15y = 85
----------------------
50y = -162
y = -81/25
-------------------
Substitute and solve for "x":
5x + 5(-81/25) = -11
5x - 81/5 = -11
5x = 26/5
x = 26/25
===================
Cheers,
Stan H.