radomes.openskiesproject.org
jamezdmm jamezdmm
  • 19-12-2014
  • Mathematics
Answered

Which ordered pair is the solution to the system of equations?


x+3y=12

-4x+3y=-3

A.

(0, 4)


B.

(6, 2)


C.

(3, 3)


D.

(0, −1)

Verified Answer :

konrad509
konrad509 konrad509
  • 19-12-2014

\(x+3y=12\\ -4x+3y=-3\\\\ x+3y=12\\ 4x-3y=3\\ ------\\ 5x=15\\ x=3\\\\ 3+3y=12\\ 3y=9\\ y=3\\\\ (3,3)\)

Answer Link
AwfulLife
AwfulLife AwfulLife
  • 19-12-2014

-1*/x+3y=12
-4x+3y=-3 

-x-3y= -12
-4x+3y= -3
+-------------------
-5x= -15   
x=3

x+3y=12

3+3y=12

3y=9  y=3

(x,y)=(3,3)

Answer Link

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