Question

please answer to this questions only
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Answer 1

Answer:

6) 2x+3y=11

   2x-4y=-24

   on evaluating we get

   y=5

    x=-2

    now putting it in eq y=mx+3

     we get m=-1

7) 2x+y=23

   4x-y=19

on evaluating we get

   y=9

    x=7

    now putting it in eq  5y-2x

     we get 31 as ans

and in 2nd eq we get -5/7 as ans.

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