SOLUTION: x+2y=11 12x-6y=12

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Question 409956: x+2y=11
12x-6y=12
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

solving by the elimination method

  x+2y=11

12x-6y=12



 3x+6y=33    |multiplying the 1st equation by 3, adding and eliminating y

12x-6y=12

   15x = 45   x = 3 and y = 4   | x+2y=11 OR 2y = 11-3 OR 2y = 8 & y = 4



CHECKING our Answer***

 12x -  6y  = 12

 12*3 - 6*4 = 36 -24 = 12