SOLUTION: -2x+3y=14 x+2y=7

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Question 409895: -2x+3y=14
x+2y=7
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

solving by the elimination method

 -2x+3y=14

  x+2y=7



-2x+3y=14

 2x+4y=14       |Multiplying 2nd quation by 2, adding and eliminating x

    7y = 28   y = 4  and x = -1     | x+2y=7  OR x= 7- 2*4



CHECKING our Answer***

 -2x + 3y =14

  -2(-1) + 3*4 = 2 + 12 = 14