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sakshi gupta Grade: Upto college level
        5x+6y+7z=178

6x+4y+2z=124
3x+3y+3z?
7 years ago

Answers : (1)

Kevin Nash
askIITians Faculty
332 Points
										

We have 5x+6y+7z=178; 6x+4y+2z=124.


Now with the option


(a)  3x+3y+3z=60, we get,


-x+z=58, and 3x-3z=66, hence we donot get a solution for this.


(b)


3x+3y+3z=62.5, we get,


-x+z=53, and 3x-3z=61, hence we donot get a solution for this.




(c)


3x+3y+3z=90, we get,


-x+z=-2, and 3x-3z=6, hence we get using x=1, y=22, z=-1


(d) we have found the solution, and that is the part (c).


 

7 years ago
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