find the solution of pair of linear equation x-3y-7=0,3 3x-3y-15=0
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Answer:
x-3y=7...(i)
3x-3y=15...(ii)
(i)*3-(ii).....
3x-9y=21
-(3x-3y)=-15t
____________
=>-6y=6
=>y=-1
putting the value of y in(i)
x-3y=7
=>x+3=7
=>x=4
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