​Solve by the addition method.

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Solve by the addition method. (If there is no solution, enter NO SOLUTION. Use the parameters x and y as necessary.)
x − 2y = 9
−2x + 4y = 18
x,y
Oct 13th, 2015

Thank you for the opportunity to help you with your question!

x -2y = -9

multiply above equation by 2

you will get

2x -4y = -18 -------> 1st equation

-2x+4y = 18 ----------> 2nd equation 

by adding them you will get

0=0

so there is no solution on these equations

x,y = (NO SOLUTION)

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Oct 13th, 2015

This is what I answered no solution but says it is wrong


Oct 13th, 2015

answer is write dear when 0 = 0 there is no solution exist 

Oct 13th, 2015

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Oct 13th, 2015

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