for simultaneous equations in x and y DX=49 Dy= -63 D=7 then what is x?​

1 thought on “for simultaneous equations in x and y DX=49 Dy= -63 D=7 then what is x?​”

1. Answer:

   7

   Step-by-step explanation:

   Dx=49 ,Dy= -63 ,D=7

   By cramers rule,

   x=Dx/D

   =49/7

   =7

   Therefore x is 7.

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