Question

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Answer 1

Answer:

23) 5 ÷ x+ y= 1

(5+ xy)÷x = 1

5 + xy = x

xy - x = -5. ( equation 1)

x+1 ÷ x+7+6 = 1 ÷ 2

x+1 / x+13= 1/2

2(x+1)= x+ 13

2x + 2 = x + 13

2x-x= 13-2

x=11. ( equation 2)

substituting equation 2 in 1

11y - 11 = -5

11y = -5 +11

11 y = 6

y= 6/11