Question

write four solutions for each of the following equations 2x + Y equal to 7​

Answer 1

(1) for2x+y=7=>if x=1 then 2(1)+y=7=>y=7-2=5 so (x,y)=(1,5),
if x=2 then 2(2)+y=7 =>y=7-4=3 so (x,y)=(2,3)
(2) for Πx+y=9 =>if x=7=>22/7×7+y=9 =>y=9-22=-13 so (x,y)=(7,-13) ;(for x we take multiples of 7 because Π=22/7 to cancel 7 we are taking multiples of 7)

Answer 2

Answer:

Answer for Q. 2 (i)

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