SOLUTION: 3X-5Y=-9
5X-6Y=-8
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Question 344688: 3X-5Y=-9
5X-6Y=-8
Answer by Jk22(389) (Show Source): You can put this solution on YOUR website!
Solve :
3X-5Y=-9 | times 5
5X-6Y=-8 | times 3, sub
---------------
-25Y-(-6)*3Y=-45+24
-25Y+18Y=-21
-7Y=-21
---------------
Y=3
X=(-9+15)/3=2
----------------
Verif :
3*2-5*3=6-15=-9.
5*2-6*3=10-19=-8.
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