Solve using elimination:
7x − 3y − 1= 0
4y − 6x = 12

A. (6, 2)
B. (7,18)
C. (4, 9)
D. (0, -1/3)

Question

Solve using elimination:
7x − 3y − 1= 0
4y − 6x = 12  

  A. (6, 2)  
  B. (7,18)  
  C. (4, 9)  
  D. (0, -1/3)

anonymous · Answer

Answer is C...

maheshmeghwal9 · Answer

@waterineyes do not give askers the answers only.
make them understand it:)

anonymous · Answer

You  might want to explain how you got that so Senior can understand and maybe try to solve one.

anonymous · Answer

He's had multiple equations just like this explained to him. Asked Senior012 to post how he thinks it should be solved, but no response yet.

campbell_st · Answer

rewrite both equations

  7x - 3y = 1           (1)
-6x +4y = 12         (2)

then equation (1) times 6 plus equation (2) times 7 to eliminate x

  42x - 18y = 6
-42x  +28y = 84
----------------
             10x = 90

x = 9

substitute into either equation to find y

campbell_st · Answer

oops y = 9.... substitute into either equation to find x