SOLUTION: Select the ordered pair from the choices below that is a solution to the following system of equations: 2x = y + 11 3y + 7 = -(1/2)x

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Question 449009: Select the ordered pair from the choices below that is a solution to the following system of equations:
2x = y + 11
3y + 7 = -(1/2)x
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

 

Hi,

2x = y + 11

3y + 7 = -(1/2)x 



 2x - y = 11

-2x - 12y = -7*-4  |multiplying 2nd EQ thru by -4 to eliminate x

    -13y = 39

       y = -3  and x = 4   ( x = (y+11)/2



CHECKING our Answer***

 3y + 7 = -(1/2)x 

 -9 + 7 = -2 = -1/2*4