0.
0. In which of the following have unique solution
1) 2x+3y=7,x-y=3
3) 3x-y=10,3x-y=11
2) x+y=7,x+y=10
4) x+y+7=0,2x+2y+14=0
Answers
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Answer:
option 4 is correct answer drar
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