x-3y=3,3x-9y=2 by cross multiplycation method
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Step-by-step explanation:
x-3y=3
3x-9y=2
x. y. 1
-3. 3. 1. -3
-9. 2. 3. -9
x/(-6+27)= y /(9-2)= 1/(-9+9)
x/21= y/7=1/0
x = y= 0
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