Question

please help in this question

Answer 1

Answer: 5.

Hope it's helpful to you.

Please mark as Brainlist answer please.

Answer 2

Answer:

(3+X)/(5+X) =(7+X)/( 10+X)

30+3x +10x+x^2=35+5x+7x+x^2

30+13x+x^2=35+12x+x^2

30+13x=35+12x

x=5 ans