SOLUTION: Solve this system of equations using any method. 3x � y = 4 x + 2y = 13 A. (3, 5) B. (5, 11) C. (4, 8) D. (�1, 7)

Question 1033675: Solve this system of equations using any method.

3x � y = 4
x + 2y = 13

A.
(3, 5)

B.
(5, 11)

C.
(4, 8)

D.
(�1, 7)
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Solve this system of equations using any method.
---------------------
3x � y = 4
x + 2y = 13
----
Multiply thru the top equation by 2 to get:
6x - 2y = 8
x + 2y = 13
------------
Add and solve for "x":
7x = 21
----
x = 3
-----
Solve for "y":
3 + 2y = 13
2y = 10
y = 5
-----
Ans: (3,5)
-------------
Cheers,
Stan H.
--------------

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