Find x for the equation (2+x)(7-x)/(5-x)(4+x)=1
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Answer:x=3/2
Step-by-step explanation:(2+x)(7-x)/(5-x)(4+x)=1
- 14-2x+7x-x^2/20+5x-4x-x^2=1 cross multiplying =-x^2+5x+14=20+x-x^2 =-x^2+x^2+14-20=-5x+x =-6=-4x =-6/-4=x =3/2=x
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