avitalkg avitalkg

16-06-2016
Mathematics

Answered

5.0 Points What is the solution of the system? Use elimination. 3x – 4y = 9 –3x + 2y = 9

Verified Answer :

jhonyy9 jhonyy9

16-06-2016

hope i understand it right how you wrote above this system

3x -4y = 9
-3x +2y = 9
------------------- assum the same terms
0 -2y = 18

y = 18/(-2) = -9

y = -9

3x -4(-9) = 9
3x +36 = 9
3x = 9 -36
3x = -27

x = -27/3 = -9

x = -9
y = -9

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