Question

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Answer 1

Answer:

8. 7x + 2y= 9

=> 7x + 2y - 9 = 0

a =7

b =y

c=9

9. 2x+y =5

i) x=1, y=3

ii) x=2, y= -1

iii) x=0, y=5

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Answer 2

Answer:

8.

7x+2 y-9 =0

a= 7

b= y

c= 9