. If 9x-3y=12 and 3x-5y=7 then 6x-2y = ?

A.-5 B. 4 C. 2 D. 8

• 9x-3y=12-----eq(1)
  3x-5y=7------eq(2)
  solving we get x=13/12 and y=-3/4
  so, 6x-2y=6*(13/11)-2(-3/4)=8
  option D is the answer
• 13 years agoHelpfull: Yes(4) No(0)
• 9x-3y=12-----eq(1)
  3x-5y=7------eq(2)
  solving we get x=13/12 and y=-3/4
  so, 6x-2y=6*(13/11)-2(-3/4)=8
  option D is the answer
• 13 years agoHelpfull: Yes(2) No(0)
• 9x-3y=12-----eq(1)
  3x-5y=7------eq(2)
  solving we get x=13/12 and y=-3/4
  so, 6x-2y=6*(13/11)-2(-3/4)=8
  option D is the answer
• 10 years agoHelpfull: Yes(0) No(0)
• x=(13/12) ; y=(-3/4) ; 6x-2y=8
• 9 years agoHelpfull: Yes(0) No(0)
• solving the two equations we get x=19/3
  y=3/4
  So, 6*19/3-2*3/4=8
• 7 years agoHelpfull: Yes(0) No(0)
• option D. 8
• 7 years agoHelpfull: Yes(0) No(0)